design no. w428 bxuv.w428 fireresistance ratings ansi/ul 263 design… · 2016-03-03 ·...

2/12/2016 BXUV.W428 Fireresistance Ratings ANSI/UL 263

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Design No. W428BXUV.W428

Fireresistance Ratings ANSI/UL 263

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Design/System/Construction/Assembly Usage DisclaimerAuthorities Having Jurisdiction should be consulted in all cases as to the particular requirements covering the installation and use of ULCertified products, equipment, system, devices, and materials.Authorities Having Jurisdiction should be consulted before construction.Fire resistance assemblies and products are developed by the design submitter and have been investigated by UL for compliance withapplicable requirements. The published information cannot always address every construction nuance encountered in the field.When field issues arise, it is recommended the first contact for assistance be the technical service staff provided by the productmanufacturer noted for the design. Users of fire resistance assemblies are advised to consult the general Guide Information for eachproduct category and each group of assemblies. The Guide Information includes specifics concerning alternate materials and alternatemethods of construction.Only products which bear UL's Mark are considered Certified.

BXUV Fire Resistance Ratings ANSI/UL 263

BXUV7 Fire Resistance Ratings CAN/ULCS101 Certified for CanadaSee General Information for Fireresistance Ratings ANSI/UL 263

See General Information for Fire Resistance Ratings CAN/ULCS101 Certified for Canada

Design No. W428February 12, 2016

Bearing Wall Rating 1 or 2 Hr. (Refer to Item 3)

This design was evaluated using a load design method other than the Limit States Design Method (e.g., Working Stress DesignMethod). For jurisdictions employing the Limit States Design Method, such as Canada, a load restriction factor shall be used —

See Guide BXUV or BXUV7

* Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employing the UL or cUL Certification (suchas Canada), respectively.

1. Structural Steel Members* — (Prefabricated Framing) Min thickness 31/2 in. prefabricated framing andrectangular Hollow Steel Section (HSS). The prefabricated framing members manufactured from minimum 18ga ColdFormed steel comprising of the following; studs spaced at a maximum 24 in. OC, top and bottom runners, horizontalbracing, optional V bracing, and floor mounting brackets. The Hollow Steel Section (HSS) shall be a minimum 31/2 inby 31/2 in. be 1/8 in. thick with maximum 50 ksi steel yield strength. The width of the HSS shall be equal to thewidth of the steel studs that are part of the prefabricated framing. Floor mounting brackets provided by themanufacturer are spaced at maximum 24 in. OC, and fixed to the bottom runners with 4 No. S12 screws. Eachmounting brackets shall be fixed to the supporting structure as per manufacturer's instructions. The vertical sides of theprefabricated framing shall be attached to the HSS with 3/4 in. dia. bolts as per manufacturer's instructions. The studto HSS connections are to be located near the top and the bottom of the studs. Only the HSS are loadbearing andthe HSS shall be designed in accordance with the LRFD or the ASD design method specified in ANSI/AISC36010 Specification for Structural Steel Buildings.

PRESCIENTCO INC — Prescient panels

2. Batts and Blankets* — (Optional) — Placed in prefabricated framing stud cavities, any glass fiber or mineral woolinsulation bearing the UL Classification Marking as to Surface Burning Characteristics and/or Fire Resistance. See Batts

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2/12/2016 BXUV.W428 Fireresistance Ratings ANSI/UL 263

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and Blankets (BKNV and/or BZJZ) Categories for names of Classified companies.

3. Gypsum Board* — 1 Hour Rating One layer of 5/8 in. thick, 4 ft wide, applied vertically or horizontally, attachedto studs in the prefabricated framing with 1 in. long, Type S steel screws spaced 8 in. OC in the field of the board. Atthe side and end joints, screws shall be located 11/2 in. and 4 in. from the board edge and ends. Joints filled with jointcompound, covered with joint tape and covered with additional coat of joint compound. Screw heads covered with jointcompound. 2 Hour Rating Two Layers 5/8 in. thick, 4 ft wide, applied vertically or horizontally, attached to studs inthe prefabricated framing. First layer secured with 1 in. long Type S steel screws spaced 16 in. OC. Second layersecured with 15/8 in. long steel screws spaced 16 in. OC with screws offset 8 in. from first layer. At the side and endjoints, screws shall be located 11/2 in. and 4 in. from the board edge and ends. Joints filled with joint compound,covered with joint tape and covered with additional coat of joint compound. Screw heads covered with joint compound.

AMERICAN GYPSUM CO — Types AGX1, AGC

UNITED STATES GYPSUM CO — Type SCX

USG BORAL ZAWAWI DRYWALL L L C SFZ — Type SCX

3A. Exterior Gypsum Board* — (In lieu of Item 3 on the exterior side only). 1 hour rating one layer of 5/8 in.thick, 4 ft. wide, applied vertically or horizontally, attached to studs in the prefabricated framing with 1 in. long, Type SSteel screws spaced 8 in. OC in the field of the board. At the side and end joints, screws shall be located 1 ½ in. and 4in. from the board edge and ends. 2 hour Rating Two Layers 5/8 in. thick, 4 ft. wide, applied vertically orhorizontally, attached to studs in the prefabricated framing. First layer secured with 1 in. long Type S steel screwsspaced 16 in. OC. Second layer secured with 1 5/8 in. long steel screws spaced 16 in. OC with screws offset 8 in. fromfirst layer. At the side and end joints, screws shall be located 1½ in. and 4 in. from the board edge and ends.

GEORGIAPACIFIC GYPSUM L L C — Type DGG

UNITED STATES GYPSUM CO — Type USGX

4. Furring Channels — (Optional, not shown, for single or double layer systems) — Resilient furring channelsfabricated from min 25 MSG corrosionprotected steel, spaced vertically a max of 24 in. OC. Flange portion attached toeach intersecting stud with 1/2 in. long Type S12 steel screws.

* Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employing the UL or cUL Certification(such as Canada), respectively.

Last Updated on 20160212

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4/16/2015 BXUV.G592 Fireresistance Ratings ANSI/UL 263

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Design No. G592BXUV.G592

Fireresistance Ratings ANSI/UL 263

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Design No. G592April 15, 2015

Restrained Assembly Rating 1 and 2 Hr. (see Items 7 and 7A)

Unrestrained Assembly Rating 1 and 2 Hr. (see Items 7 and 7A)

Unrestrained Beam Rating 1 and 2 Hr. (see Items 7 and 7A)

Loading on Beam (Item 1) Determined by Allowable Strength Design Method or Load and Resistance Factor Design Methodspecified in ANSI/AISC 36010 Specification for Structural Steel Buildings










1. Steel Beam — Optional—W10x22 (fy=50 ksi) min size, used to support structural steel members (Item 2) at theirends.

2. Structural Members* — PreFabricated light gauge truss system consisting of a coldformed, galvanized steelchord and web sections. Trusses are 18" deep min. 18 ga material, spaced at max. 24"o.c.

PRESCIENTCO INC — Prefabricated Light Gauge Steel Truss System

3. Bridging — (Not Shown) Lateral bracing required at the truss bottom node that is closest to the truss supports,lateral bracing installed as per truss manufacturer's instructions. Additional lateral bracing maybe required as per trussmanufacturer's instruction.

4. Flooring System — Mineral and Fiber Boards* Nom 1 in. thick, with long edges tongue and grooved. Longdimension of panels to be perpendicular to Structural members (Item 2) with end joints staggered a min of 2 ft andcentered over the joists. Panels secured to steel joists with 21/2 in. long No. 8 selfdrilling, selfcountersinking steelscrews spaced a max of 8 in. OC in the field and 4 in. OC on the perimeter with a screw located 3/4 in. from each edgeof the panel.

PLYCEM CONSTRUSISTEMAS EL SALVADOR S A DE C V — Types Plycem, PlycemFibrolit.

PLYCEM CONSTRUSISTEMAS HONDURAS S A DE C V — Types Plycem, PlycemFibrolit.

THE PLYCEM COMPANY INC — Types Plycem, PlycemFibrolit.

5. Resilient Channels — Minimum 25 GA galvanized steel, 1/2 in. deep, 23/4 in. wide. Channels shall be spacedmaximum 12 in. apart and attached to the bottom flange of each Structural Member (Item 2) with one 7/16 in. longwafer head selfdrilling, selftapping #7 steel screw. At locations where gypsum board end joints occur, additionalresilient channels shall be installed to provide screw attachments for the gypsum board ends. These additional channelsshall be positioned so that the distance from the end of the board to the center of the first channel is 3 in. and from theboard end to the center of the next channel is 12 in.

6. Batts and Blankets* — Any 31/2 in. thickness, minimum density 0.5 lb/ft3, unfaced mineral wool or glass fiberinsulation bearing the UL Classification Marking for Surface Burning Characteristics, having a flame spread value of 25or less and a smoke value of 50 or less. Insulation fitted in the concealed space, draped over the resilientchannel/gypsum board ceiling membrane.

7. Gypsum Board* — ( For 1 hr rating). One layer of nom 5/8 in. thick by 48 in. wide boards, installed with longdimension parallel to Structural member (Item 2). Attached to resilient channels using 1 in. long Type S, #6 buglehead screws. Screws spaced a max a max of 8 in. OC in the field. At the butt side joints, screws shall be located 11/2in. and 4 in. from the board edges.

UNITED STATES GYPSUM CO — Types C

7A. Gypsum Board* — (For 2 hour Rating). Nom 5/8 in. thick, 48 in. wide gypsum panels. Base layer installed withlong dimension perpendicular to resilient channels, secured with 11/4 in. long Type S buglehead screws spaced 12 in.OC, with screws located 6 in. from and on each side of the gypsum panel, in both the field and the perimeter, and 11/2 in. from side edges of the panels. Face layer installed with long dimension perpendicular to resilient channels withjoints offset 24 in. from base layer, secured with 15/8 in. long Type S buglehead screws spaced 8 in. OC in both thefield and the perimeter, and 11/2 in. from side edges of the panel. Butt joints of face layer panels secured to baselayer with 11/2 in. long Type G screws spaced 8 in. OC and 11/2 in. from side edges of the panels, with butt joints

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located between resilient channels. Butt joints of face panels staggered a minimum of 12 in. from butt joints of baselayer.

UNITED STATES GYPSUM CO — Types C

8. Finishing System — (Not Shown) — Vinyl, dry or premixed joint compound, applied in two coats to joints and screwheads; paper tape, 2 in. wide, embedded in first layer of compound over all joints. As an alternate, nom 3/32 in. thickveneer plaster may be applied to the entire surface of gypsum wallboard.




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2/11/2016 BXUV.H502 Fireresistance Ratings ANSI/UL 263

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BXUV7 Fire Resistance Ratings CAN/ULCS101 Certified forCanada

See General Information for Fireresistance Ratings ANSI/UL 263


Design No. H502

February 08, 2016

Restrained Assembly Ratings 1, and 11/2 Hr.

Unrestrained Assembly Ratings 1, and 11/2 Hr.

Unrestrained Beam Ratings 1, and 11/2 Hr.

* Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employingthe UL or cUL Certification (such as Canada), respectively.





1. Structural Members* — Integrated Truss — Optional — PreFabricated lightgauge integrated truss system consisting of a coldformed, galvanized steel chord andweb sections. As per manufacturer's requirements the Integrated Trusses are to be usedas prefabricated sections of wall panels and connected together with bolts, nuts andwashers to minimum 31/2 in. x 31/2 in. x 1/8 in. HSS tube steel. Integrated Trussesare 18" deep min. 18 ga. material, used to support light gauge truss members (Item 2)at their ends.


1A. Structural Members* — Integrated Truss HHS Steel Post — (Optional) — Aspart of Item 1, minimum 3 " x 3 " x 1/8" HHS tube steel post that may becontinuous from UL Fire Rated Wall Assembly W428.


1B. Steel Beam — Not Shown — (Optional) — In lieu of Item 1, W10x22 (fy=50ksi) min size, used to support structural steel members (Item 2) at their ends.

2. Structural Members* — PreFabricated light gauge truss system consisting of acoldformed, galvanized steel chord and web sections. Trusses are 18" deep min. 18ga. material, spaced at max. 24"o.c. and connected to supporting structure as permanufacturer's instructions.


3. Bridging — (Not Shown) — Lateral bracing required at the truss bottom node thatis closest to the truss supports, lateral bracing installed as per truss manufacturer'sinstructions. Additional lateral bracing maybe required as per truss manufacturer'sinstruction.

4. Flooring System — Mineral and Fiber Boards* — Nom 1 in. thick, with longedges tongue and grooved. Long dimension of panels to be perpendicular to Structuralmembers (Item 2) with end joints staggered a min of 2 ft. and centered over the joists.Panels secured to steel joists with 21/2 in. long No. 8 selfdrilling, selfcountersinkingsteel screws or 1 7/8 in. long power pin spaced a max of 8 in. OC in the field and 4 in.OC on the perimeter with a screw located 3/4 in. from each edge of the panel.

PLYCEM CONSTRUSISTEMAS HONDURAS S A DE C V — Types Plycem,PlycemFibrolit

THE PLYCEM COMPANY INC — Types Plycem, PlycemFibrolit

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4A. Floor Topping Mixture* — (Optional) — Min 3/4 in. thickness of floor toppingmixture having a minimum compressive strength of 1800 psi. Refer to manufacturer'sinstructions accompanying the material for specific mix design.

UNITED STATES GYPSUM CO — Types LRK, HSLRK, CSD

4B. Floor Mat Materials* — Not Shown (Optional) — Floor mat material loose laidover the subfloor. Refer to manufacturer's instructions regarding the minimumthickness of floor topping over each floor mat material.

UNITED STATES GYPSUM CO — Types SAM, LEVELROCK® Brand SoundReduction Board, LEVELROCK® Brand Floor Underlayment SRM25

5. Flexible Air Duct* — (Optional) — Bearing the UL Listing Mark — Any ULClass 0 or Class 1, flexible air duct, nom maximum 10 in. diam. for use with Item 6.Constructed with a steel wire helix, encapsulated in a 2ply, air tight inner core, withminimum R6 fiberglass insulation and a polyethylene vapor barrier surround. Flexibleair duct attached to damper box sleeve with adjustable hose clamp as permanufacturer's instructions.

6. Damper — (Optional) — Ceiling Damper* — Max damper assembly size nom181/2 in. long by 16 in. wide and 16 in. high, fabricated from galv. steel. Aggregatedamper openings shall not exceed 94 sq. in. per 100 sq. ft. of ceiling area. Damperinstalled in accordance with the manufacturers installation instructions provided withthe damper.

LAU INDUSTRIES INC — Model CCD7T

RUSKIN COMPANY — Model CFD7T

6A. Alternate Ceiling Damper — (Optional) — Ceiling Damper* — To be used inlieu of Item 6, any UL 555C fire rated damper bearing the UL Classification Mark andapproved for installation in a Steel or Wood truss framed UL Fire Rated Floor Ceilingassembly. Max damper assembly size nom 181/2 in. long by 16 in. wide and 16 in.high, fabricated from galv. steel. Aggregate damper openings shall not exceed 94 sq.in. per 100 sq. ft. of ceiling area. Damper installed in accordance with themanufacturers installation instructions provided with the damper.

7. Resilient Channels — Minimum 25 GA galvanized steel, 1/2 in. deep, 23/4 in.wide. Channels shall be spaced maximum 12 in. apart and attached to the bottomflange of each Structural Member (Item 2) with one 7/16 in. long wafer head selfdrilling, selftapping #7 steel screw. At locations where gypsum board end jointsoccur, additional resilient channels shall be installed to provide screw attachments forthe gypsum board ends. These additional channels shall be positioned so that the



distance from the end of the board to the center of the first channel is 3 in. and fromthe board end to the center of the next channel is 12 in.

8. Batts and Blankets* — Any 31/2 in. thickness, minimum density 0.5 lb./ft3,unfaced mineral wool or glass fiber insulation bearing the UL Classification Markingfor Surface Burning Characteristics, having a flame spread value of 25 or less and asmoke value of 50 or less. Insulation fitted in the concealed space, draped over theresilient channel/gypsum board ceiling membrane.

9. Gypsum Board* — One layer of nom 5/8 in. thick by 48 in. wide boards, installedwith long dimension parallel to Structural member (Item 2). Attached to resilientchannels using 1 in. long Type S, #6 buglehead screws. Screws spaced a max of 8 in.OC in the field. At the butt side joints, screws shall be located 11/2 in. and 4 in. fromthe board edges.

UNITED STATES GYPSUM CO — Type C

USG BORAL ZAWAWI DRYWALL L L C SFZ — Type C

10. Finishing System — (Not Shown) — Vinyl, dry or premixed joint compound,applied in two coats to joints and screw heads; paper tape, 2 in. wide, embedded infirst layer of compound over all joints. As an alternate, nom 3/32 in. thick veneerplaster may be applied to the entire surface of gypsum wallboard.

* Indicates such products shall bear the UL or cUL Certification Mark for jurisdictionsemploying the UL or cUL Certification (such as Canada), respectively.


11/10/2015 BXUV.L565 Fire Resistance Ratings ANSI/UL 263

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Design No. L565BXUV.L565

Fire Resistance Ratings ANSI/UL 263

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Design No. L565February 26, 2015

Unrestrained Assembly Rating 1 Hr

Unrestrained Beam Rating 1 Hr










1. Flooring System — The flooring system shall consist of one of the following:

System No. 1

Subflooring — Min 23/32 in. thick wood structural panels, min grade "Underlayment" or "SingleFloor". Face grain ofplywood or strength axis of panel to be perpendicular to trusses with joints staggered 4 ft. Plywood or panelmechanically fastened to trusses 12 in. OC in conjunction with construction adhesive.

Subflooring (Alternate) Structural CementFiber Units* — Nominal 19 mm (3/4 in.) thick tongue and groovestructural cementfiber units. Long dimension of panels to be perpendicular to trusses with end joints staggered. Panelsfastened to the trusses with #10 selfdrilling, selftapping cement board screws 13/4 in. long. Screws shall be spaced 6in. OC along the perimeter of each sheet and 12 in. OC in the field of each sheet. Screws shall be spaced 1/2 in. fromend joints and 1 in. from side joints.

ECTEK INTERNATIONAL INC — Armoroc Panel

Vapor Barrier (Optional) — Nom 0.030 in thick commercial asphalt saturated felt.

Finish Flooring — Min 1 by 4 in. T & G lumber installed perpendicular to trusses, or min 15/32 in. thick wood structuralpanels, min grade "Underlayment" or "SingleFloor". Face grain of plywood or strength axis of panel to be perpendicularto trusses with joints staggered.

System No. 2


Floor Mat Materials* (Optional) — Nom 1/4 in. thick floor mat material adhered to subfloor with Hacker FloorPrimer. Primer to be applied to the surface of the mat prior to the placement of floortopping mixture. When floor matmaterial is used, min thickness of floor topping mixture is 11/2 in.

HACKER INDUSTRIES INC — Type SoundMat

Finish Flooring Floor Topping Mixture* — Min 3/4 in. thickness of floor topping mixture having a min compressivestrength of 1100 psi. Mixture shall consist of 6.8 gal of water to 80 lbs of floor topping mixture to 1.9 cu ft of sand.

HACKER INDUSTRIES INC — FirmFill Gypsum Concrete, FirmFill 2010, FirmFill 3310, FirmFill 4010, FirmFill High



Strength, GypSpan Radiant

System No. 3


Finish Floor Mineral and Fiber Board* — Min 1/2 in. thick, supplied in sizes ranging from 3 ft by 4 ft to 8 ft by 12ft. All joints to be staggered a min of 12 in. with adjacent subfloor joints.

HOMASOTE CO — Type 44032 Mineral and Fiber Board

System No. 4


Vapor Barrier — (Optional) Nom 0.030 in. thick commercial asphalt saturated felt.

Finish Flooring Floor Topping Mixture* — Min 3/4 in. thickness of floor topping mixture having a minimumcompressive strength of 1800 psi. Refer to manufacturer's instructions accompanying the material for specific mixdesign.

UNITED STATES GYPSUM CO — Types LRK, HSLRK, CSD

Floor Mat Materials* — (Optional) Floor mat material loose laid over the subfloor. Refer to manufacturer'sinstructions regarding the minimum thickness of floor topping over each floor mat material.

UNITED STATES GYPSUM CO — Types SAM, LEVELROCK® Brand Sound Reduction Board, LEVELROCK® Brand FloorUnderlayment SRM25

Alternate Floor Mat Materials* — (Optional) Nom 3/8 in. thick floor mat material loose laid over the subfloor.

GRASSWORX L L C — Type SC50

System No. 5


Vapor Barrier — (Optional) — Nom 0.030 in thick commercial asphalt saturated felt.

Finish Flooring Floor Topping Mixture* — 3 to 7 gal of water mixed with 80 lbs of floor topping mixture and 1.0 to2.1 cu ft of sand. Compressive strength to be 1000 psi min. Min thickness to be 3/4 in.

MAXXON CORP — Type DC, GC, GC 2000, LR, TF, CT

Floor Mat Materials* — (Optional) — Floor mat material nom 1/4 in. thick loose laid over the subfloor. Maxxon FloorPrimer to be applied to the surface of the mat prior to the floor topping placement. Floor topping thickness a min 1 in.over the floor mat. Floor topping thickness a min 3/4 in. over AcoustiMat I floor mat.

MAXXON CORP — Type AcoustiMat I, AcoustiMat II, AcoustiMat II HP

Alternate Floor Mat Materials* — (Optional) — Nom 0.8 in. thick floor mat material loose laid over the subfloor withCrack Suppression Mat (CSM) loose laid over the floor mat material. Floor topping thickness shall be min 11/2 in.

MAXXON CORP — Type AcoustiMat 3, AcoustiMat 3 HP, Crack Suppression Mat (CSM)

Alternate Floor Mat Materials* — (Optional) — Nom 0.4 in. thick floor mat material loose laid over the subfloor.Maxxon Floor Primer to be applied to the surface of the mat prior to the floor topping placement. Floor toppingthickness shall be min 1 in.

MAXXON CORP — Type Enkasonic 9110, Enkasonic 9110 HP

Alternate Floor Mat Materials* — (Optional) — Nom 0.2 in. thick floor mat material loose laid over the subfloor.



Maxxon Floor Primer may be applied to the surface of the mat prior to the floor topping placement. Floor toppingthickness shall be as specified under Floor Topping Mixture.

MAXXON CORP — Type AcoustiMat LPR

Alternate Floor Mat Materials* — (Optional) — Not Shown — Nom 0.80 in. thick floor mat material loose laid overthe subfloor. Floor topping thickness min 11/2 in. over the floor mat.

MAXXON CORP — Type AcoustiMat SD

System No. 6


Vapor Barrier — (Optional) — Nom 0.030 in thick commercial asphalt saturated felt.

Finish Flooring Floor Topping Mixture* — 4 to 7 gal of water mixed with 80 lbs of floor topping mixture and 1.4 to1.9 cu ft of sand. Compressive strength to be 1200 psi min. Min thickness to be 3/4 in.

RAPID FLOOR SYSTEMS — Type RF, RFP, RFU, RFR, Ortecrete

Floor Mat Materials* — (Optional) — Floor mat material nom 1/4 in. thick loose laid over the subfloor. Maxxon FloorPrimer to be applied to the surface of the mat prior to the floor topping placement. Floor topping thickness a min 1 in.over the floor mat. Floor topping thickness a min 3/4 in. over AcoustiMat I floor mat.

MAXXON CORP — Type AcoustiMat I, AcoustiMat II, AcoustiMat II HP

Alternate Floor Mat Materials* — (Optional) — Nom 0.8 in. thick floor mat material loose laid over the subfloor withCrack Suppression Mat (CSM) loose laid over the floor mat material. Floor topping thickness shall be min 11/2 in.

MAXXON CORP — Type AcoustiMat 3, AcoustiMat 3 HP, Crack Suppression Mat (CSM)

Alternate Floor Mat Materials* — (Optional) — Nom 0.4 in. thick floor mat material loose laid over the subfloor.Maxxon Floor Primer to be applied to the surface of the mat prior to the floor topping placement. Floor toppingthickness shall be min 1 in.

MAXXON CORP — Type Enkasonic 9110, Enkasonic 9110 HP

Alternate Floor Mat Materials* — (Optional) — Nom 0.2 in. thick floor mat material loose laid over the subfloor.Maxxon Floor Primer may be applied to the surface of the mat prior to the floor topping placement. Floor toppingthickness shall be as specified under Floor Topping Mixture.

MAXXON CORP — Type AcoustiMat LPR

Alternate Floor Mat Materials* — (Optional) — Not Shown — Nom 0.80 in. thick floor mat material loose laid overthe subfloor. Floor topping thickness min 11/2 in. over the floor mat.

MAXXON CORP — Type AcoustiMat SD

2. Structural Steel Members* — Prefabricated light gauge steel truss system consisting of coldformed, galvanizedsteel chord and web sections. Trusses fabricated in various sizes, depths, and from various steel thickness. Trussesspaced max 48 in. OC.

AEGIS METAL FRAMING, DIV OF MITEK — UltraSpan, Prefabricated Light Gauge Steel Truss System

ALLIED STUDCO — Amkey System, Prefabricated Light Gauge Steel Truss System

STEEL CONSTRUCTION SYSTEMS INC — Prefabricated Light Gauge Steel Truss System

TRUSSTEEL, DIV OF ITW BUILDING COMPONENTS INC — TrusSteel

tcooper

Polygon



3. Bridging (Not Shown) — Location of lateral bracing for truss chord and web sections to be specified on trussengineering.

4. Batts and Blankets* (Optional) — Any thickness of mineral wool or glass fiber insulation fitted in the concealedspace, draped over the resilient channels and gypsum board ceiling membrane. Any mineral wool or glass fiberinsulation bearing the UL Classification Marking for Surface Burning Characteristics having a flame spread index of 25 orless and a smoke developed index of 50 or less may be used.

See Batts and Blankets (BKNV) category in the Building Materials Directory for names of manufacturers.

4A. Loose Fill Material* (Optional) — As an alternate to Item 4, any thickness of loose fill material installed on topof gypsum board ceiling membrane. Any loose fill material bearing the UL Classification Marking for Surface BurningCharacteristics having a flame spread index of 25 or less and a smoke developed index of 50 or less may be used.

See Loose Fill Materials (BPHX) category in the Building Materials Directory for names of manufacturers.

5. Resilient Channels — Resilient channels formed of 25 MSG galv steel, installed perpendicular to the trusses spacedmax 16 in. OC. When batt insulation (Item 4) is fitted in the concealed space and draped over the resilientchannel/gypsum board ceiling membrane, or when loose fill insulation (Item 4A) is used, resilient channel spacing shallbe max 12 in. OC. Channels secured to each truss with 1/2 in. long Type S12 steel screws. Channel splices locatedbeneath trusses and overlapped 4 in. Two channels, spaced 6 in. OC, oriented opposite each gypsum board end joint asshown in end joint detail. Additional channels shall extend min 6 in. beyond each side edge of board. As an alternate tothe resilient channels, furring channels (Item 5A) may be used.

5A. Furring Channels (Not Shown) — As an alternate to Item 5, resilient channels, double legged formed of 25MSG galv steel, 27/8 in. wide by 1/2 in. deep, installed perpendicular to the trusses spaced max 16 in. OC. When battinsulation (Item 4) is fitted in the concealed space and draped over the resilient channel/gypsum board ceilingmembrane, or when loose fill insulation (Item 4A) is used, resilient channel spacing shall be max 12 in. OC. Channelssecured to each truss with 1/2 in. long Type S12 steel screws or with No. 18 SWG galv steel wire double strand saddleties. Channel splices located beneath trusses and overlapped 4 in. Channels tied together at splices with double strandof No. 18 SWG galv steel wire at each end of overlap. Two channels, spaced 6 in. OC, oriented opposite each gypsumboard end joint as shown in end joint detail. Additional channels shall extend min 6 in. beyond each side edge of board.

6. Gypsum Board* — Nom 5/8 in. thick, 48 in. wide gypsum board installed with long dimension perpendicular toresilient channels. Gypsum board secured with 1 in. long Type S bugle head steel screws spaced 12 in. OC along buttedend joints and in the field. End joints secured to both pieces of resilient channel as shown in end joint detail.

NATIONAL GYPSUM CO — Types eXPC, FSKC, FSWC, FSWG

7. Finishing System (Not Shown) — Vinyl, dry or premixed joint compound, applied in two coats to joints andscrewheads. Nom 2 in. wide paper tape embedded in first layer of compound over all joints. As an alternate, nom 3/32in. thick veneer plaster may be applied to the entire surface of gypsum board.

8. Steel Beam (Optional, Not Shown) — W8x35 min size, used to support structural steel members (Item 2) atends.




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11/2/2015 BXUV.P515 Fire Resistance Ratings ANSI/UL 263

http://database.ul.com/cgibin/XYV/template/LISEXT/1FRAME/showpage.html?name=BXUV.P515&ccnshorttitle=Fire+Resistance+Ratings++ANSI/UL+263&… 1/5

Design No. P515BXUV.P515


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Design No. P515August 27, 2015

Restrained Assembly Rating — 1 Hr

Unrestrained Assembly Rating — 1 Hr










1. Roof Covering* — Consisting of hotmopped or coldapplication materials compatible with insulation(s) describedherein which provide Class A, B or C coverings. See Roofing Materials and Systems DirectoryRoof Covering Materials(TEVT).

1A. Roofing Membranes* — In lieu of Item 1, singleply membrane that is either ballasted, adhered or mechanicallyattached to the insulation(s) described herein as permitted under the respective company's Classification. See FireResistance DirectoryRoofing Membranes (CHCI) Category.

1B. Metal Roof Deck Panels* — In lieu of or in addition to Items 1 and 1A, the roof covering may consist ofmechanically fastened 24 MSG galv or painted steel roof deck panels. Panels may be installed above a steel purlinassembly per metal roof deck manufacturer's specifications. Steel purlin assembly to be installed transverse to steelroof trusses (Item 5). A line of sealant or tape may be used at panel side and end laps. See Metal Roof Deck PanelsCategory in the Roofing Materials and Systems Directory (TJPV) or Fire Resistance Directory (CETW) for names ofmanufacturers.

2. Steel Roof Deck — Corrugated or fluted steel form units, min 28 MSG painted or galv steel, mechanically fastenedat 12 in. OC max with No. 10 by 16 selfdrilling steel screws to trusstop chords.

3. Gypsum Board — (OptionalClassified or Unclassified) — Gypsum sheathing, supplied in sheets 4 ft wide by 8 to 12ft long by min 1/2 in. thick, applied perpendicular to steel roof deck. End joints to occur over crests of steel roof deck,with endjoints staggered in adjacent rows. Sheathing adhered or mechanically attached to steel roof deck. See GypsumBoard (CKNX) category for names of Classified companies.

3A. Cementitious Backer Units* — As an alternate to Item 3, supplied in nom 32 in. wide by min 48 in. long by nom1/2 or 5/8 in. thick sheets. Applied perpendicular to steel roof deck direction. Endjoints to occur over crests of steelroof deck with endjoints staggered in adjacent rows. Units adhered or mechanically attached to steel roof deck.

UNITED STATES GYPSUM CO — Type DCB.

4. Roof Insulation — Mineral and Fiber Boards* — Mineral wool, glass fiber or perlite insulation boards, 24 by 48 in.min size, 48 by 96 max size, applied in one or more layers. Boards installed directly over the roof deck (Item 2),perpendicular to the deck flutes, or over the gypsum sheathing (Item 3) or cementitious backer units (Item 3A), withendjoints staggered in adjacent rows. When applied in more than one layer, each layer of board to be offset in bothdirections from layer below in order to lap all joints. Min thickness 1 in. (no limit on max overall thickness). Boardsloosely laid, adhered or mechanically fastened to gypsum sheathing or cementitious backer units, and to steel roof deck(Item 2). See Mineral and Fiber Boards (BQXR) Category in the Building Materials Directory.

4A. Roof Insulation — Foamed Plastic* — Any polyisocyanurate foamed plastic insulation boards bearing the ULClassification Marking. Roof insulation loosely laid, adhered or mechanically fastened to gypsum sheathing (Item 3),cementitious backer units (Item 3A) and/or steel roof deck (Item 2). See Foamed Plastic (CCVW) Category in the FireResistance Directory.

4B. Roof Insulation — Foamed Plastic* — Any polystyrene foamed plastic insulation boards bearing the ULClassification Marking. Roof insulation loosely laid, adhered or mechanically fastened, placed over gypsum sheathing(Item 3) or cementitious backer units (Item 3A). See Foamed Plastic (BRYX) category in the Building MaterialsDirectory or Foamed Plastic (CCVW) category in the Fire Resistance Directory.

5. Steel Roof Trusses — Coldformed galv steel truss chord and web sections manufactured from steel conforming toASTM A653 Grade 33 or higher yield strength. Steel thickness of truss chord and web sections as required by design tomeet governing code requirements. Truss members connected together with No. 1016 (min size) selfdrilling screws orequivalent. Truss chord and web members to be designed in accordance with the American Iron and Steel Institute'sSpecification for the Design of ColdFormed Steel Structural Members, 1996 Edition. Trusses spaced a max of 24 or 48in. OC, refer to Item 8. Where the truss intersects with the interior face of the exterior walls, the min truss depth shallbe 117/8 in. or 5 in. with a min roof slope of 3/12 and a min area in the plane of the truss of 20 sq/ft.

5A. Structural Steel Members* — As an alternate to Item 5 Prefabricated steel truss system consisting of coldformed, galvanized steel chord and web sections. Trusses spaced a max of 24 or 48 in. OC, refer to Item 8. Where thetruss intersects with the interior face of the exterior walls, the min truss depth shall be 117/8 in. or 5 in. with a minroof slope of 3/12 and a min area in the plane of the truss of 20 sq/ft. Truss ends placed over and secured to BearingSeats (Item 5B) with two min. #10 by 3/4 in. long screws on each side of Bearing Seats. Allowable loading must becalculated so as to stress the steel trusses to a maximum of 98% of the stress calculated in accordance with theallowable stress design approach outlined in the manufacturer's load tables.



EISEN PANEL SYSTEMS L L C — Type Gateway Panel prefabricated steel truss system.

5B. Bearing Seats* — (Not Shown for use with Item 5A) — Galvanized steel tube, min. 1 in. by 21/2 in. by 13 ga.,oriented vertically and welded to min. 4 in. by 4 in. by 10 ga., galvanized steel plate. Bearing seats spaced 24 or 48 in.OC (same as trusses) and attached to bearing supports by welding or screw attaching the steel plate to the bearingsupports.

EISEN PANEL SYSTEMS L L C — Type Gateway Panel bearing seat.

6. Bridging — Size, thickness, shape, number of connections and location of permanent bracing for truss chord and websections to be determined by truss manufacturer.

7. Furring Channels — Hat channels formed from min 25 MSG galv steel (or heavier as required by design), 25/8 in.wide by 7/8 in. deep, spaced 24 in. OC, perpendicular to trusses. Two courses of furring channel positioned 6 in. OC, 3in. from each end of wallboard. Channel splices overlapped 4 in. beneath steel trusses. Channels secured to each trusswith Type S12 by 1/2 in. long screws or with No. 18 SWG galv steel wire double strand saddle ties. Channels tiedtogether with double strand of No. 18 SWG galv steel wire at each end of overlap.

7A. As an alternate to Item 7, Furring Channels — Resilient channels formed of 25 MSG galv steel, for use whensteel (Item 5) trusses spaced a max 24 in OC, installed perpendicular to steel trusses. Two courses of resilient channelpositioned 6 in. OC at wallboard buttjoints (3 in. from each end of wallboard). Channels oriented opposite at wallboardbuttjoints. Channel splices overlapped 4 in. beneath steel trusses. Channels secured to each truss with Type S12 by 1/2in. long screws or with No. 18 SWG galv steel wire double strand saddle ties. Channels tied together with double strandof No. 18 SWG galv steel wire at each end of overlap.

8. Gypsum Board* — Two layers of nom 5/8 in. thick by 48 in. wide boards, installed with long dimension parallel totrusses. Base layer attached to the furring channels using 1 in. long Type S buglehead screws spaced 8 in. OC alongbutted endjoints and 12 in. OC in the field. Endjoints of base layer fastened to additional pieces of furring channel toextend a min of 3 in. beyond ends of butted endjoints. Butted endjoints staggred min 12 in. in adjacent rows. Facelayer of gypsum wallboard secured to furring channels with 15/8 in. long Type S buglehead steel screws spaced 8 in.OC at the sidejoints and in the field. Face layer side and endjoints offset min 16 in. from base layer side and endjoints. When roof trusses are spaced max 24 in. OC, the wallboard may be attached directly (and perpendicular) to thetrusses. When attached to trusses, inner layer of wallboard attached to bottom chord of trusses with 1 in. long Type S12buglehead steel screws spaced 8 in. OC at endjoints and 12 in. OC in the field. Face layer of gypsum wallboardsecured to bottom chord of trusses with 15/8 in. long Type S12 buglehead steel screws spaced 8 in. OC at endjointsand 12 in. OC in the field. Endjoints of wallboard to occur under trusses. Screws located 1 in. from board sideedgesand 1/2 in. from butted ends. Face layer side and endjoints offset min 16 in. from base layer side and endjoints.

CGC INC — Type IPX1 or SCX

UNITED STATES GYPSUM CO — Type IPX1 or SCX

USG BORAL ZAWAWI DRYWALL L L C SFZ — Type SCX

USG MEXICO S A DE C V — Type IPX1 or SCX

8A. Gypsum Board* — (Not Shown) — As an alternate to Item 8, two layers of nom 5/8 in. thick by 48 in. wideboards, installed as specified under Item 8. This alternate wallboard shall be used when Batts and Blankets (Item 9) areplaced 1 in. or less over the gypsum ceiling.

CGC INC — Types C, IPX2, IPCAR.

UNITED STATES GYPSUM CO — Types C, IPX2, IPCAR.


USG MEXICO S A DE C V — Types C, IPX2, IPCAR.

9. Batts and Blankets — (Not Shown) — Optional — Any thickness mineral wool or glass fiber insulation bearing theUL Classification Marking for Surface Burning Characteristics, having a flame spread value of 25 or less and a smokevalue of 50 or less. Insulation fitted in the concealed space above the gypsum wallboard ceiling membrane. Whenplaced 1 in. or less over the ceiling membrane, the gypsum wallboard shall be as specified under Item 8A.

10. Finishing System — (Not Shown) — Vinyl, dry of premixed joint compound, applied in two coats to joints andscrew heads; paper tape, 2 in. wide, embedded in first layer of compound over all joints.

Alternate Ceiling Membrane — Not Shown.



11. Steel Framing Members —

a. Main Runners — Installed perpendicular to Structural Steel Members — Nom 10 or 12 ftlong, 15/16 in. or 11/2 in. wide face, spaced 4 ft OC. Main runners hung a min of 2 in. frombottom chord of Structural Steel Members with 12 SWG galv steel wire. Wires located a max of48 in. OC.

b. Cross tees or channels — Nom 4 ft long, 15/16 in. or 11/2 in. wide face, or crosschannels, nom 4 ft long, 11/2 in. wide face, installed perpendicular to the main runners, spaced24 in. OC. When Batts and Blankets* (Item 9) are used, cross tees or channels spaced 16 in.OC. Additional cross tees or channels used at 8 in. from each side of butted wallboard endjoints. The cross tees or channels may be riveted or screwattached to the wall angle or channelto facilitate the ceiling installation.

c. Wall angles or channels — Used to support steel framing member ends and for screwattachment of the gypsum wallboard — Min 0.016 in. thick painted or galvanized steel anglewith 1 in. legs or min. 0.016 in.thick painted or galvanized steel channel with a 1 by 11/2 by 1in. profile, attached to walls at perimeter of ceiling with fasteners 16 in. OC.

CGC INC — Type DGL or RX

USG INTERIORS LLC — Type DGL or RX

12. Gypsum Board* — For use with Steel Framing Members (Item 11) when no Batt and Blankets* (Item 9) are used— Two layers of nominal 5/8 in. thick by 48 in. wide boards. Inner layer installed with long dimension perpendicular tocross tees with side joints centered along main runners and end joints centered along cross tees. Inner layer fastened tocross tees with 11/4 in. long Type S buglehead steel screws spaced 8 in. OC along butted end joints and 12 in. OC inthe field of the board. End joints of adjacent wallboard sheets shall be staggered not less than 4 ft OC. Outer layerattached to the cross tees through inner layer using 17/8 in. long Type S buglehead steel screws spaced 8 in. OC atbutted end joints and 12 in. OC in the field. Butted end joints to be centered along cross tees and be offset a min of 32in. from end joints of inner layer. Rows of screws on both sides of butted end joints of each layer shall be located 3/8to 1/2 in. from end joints. Butted side joints of outler layer to be offset a min of 18 in. from butted side joints of innerlayer. Joints treated as described in Item 10.

CGC INC — Types C, IPX1, IPX2, IPCAR, SCX

UNITED STATES GYPSUM CO — Types C, IPX1, IPX2, IPCAR, SCX

USG BORAL ZAWAWI DRYWALL L L C SFZ — Types C, SCX

USG MEXICO S A DE C V — Types C, IPX1, IPX2, IPCAR, SCX

12A. Gypsum Board* — For use with Steel Framing Members* (Item 11) and Batt and Blankets* (Item 9) areused — Two layers of nominal 5/8 in. thick by 48 in. wide boards installed as described in Item 12.

CGC INC — Types C, IPX2, IPCAR.

UNITED STATES GYPSUM CO — Types C, IPX2, IPCAR.


USG MEXICO S A DE C V — Types C, IPX2, IPCAR.




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The appearance of a company's name or product in this database does not in itself assure that products so identified have been manufacturedunder UL's FollowUp Service. Only those products bearing the UL Mark should be considered to be Certified and covered under UL's FollowUp





Service. Always look for the Mark on the product.




Design No. P519BXUV.P519


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Design No. P519October 29, 2014

Restrained Assembly Rating — 1 and 2 Hr. (See Items 10, 10A, 11 and 11A)

Unrestrained Assembly Rating — 1 and 2 Hr. (See Items 10, 10A, 11 and 11A)










1. Roof Covering* — Consisting of hot mopped or cold application materials compatible with insulation(s) describedherein which provide Class A, B or C coverings.

See Roofing Materials and Systems Direcotry — Roof Covering Materials (TEVT).

1A. In lieu of Item 1, roof covering consisting of singleply Roofing Membrane* that is eitherballasted, adhered or mechanically attached as permitted under the respective manufacturer'sClassification. See Fire Resistance Directory— Roofing Membranes (CHCI).

2. Mineral and Fiber Boards* — 24 by 48 in. min size, max size 48 by 96 in. to be applied in one or more layers.Boards to be installed perpendicular to gypsum wallboard direction with end joints staggered 2 ft in adjacent rows. Whenapplied in more than one layer, each layer of board to be offset in both directions from layer below a min of 12 in. inorder to lap all joints. Min thickness 1 in. (no limit on max overall thickness).

When only one layer is used, it may be bonded to gypsum wallboard or laid loosely. When two or more layers are used,the insulation may be fastened to steel roof deck (through wallboard) with mechanical fasteners (Item 7) and/orbonded to wallboard or vapor barrier and/or bonded to additional layers of insulation with adhesive (Item 6) or hotasphalt (Item 6A). Adhesive may be omitted from between components secured together by mechanical fasteners.

BMCA INSULATION PRODUCTS INC — Rigid mineral fiber boards

GAF — Rigid mineral fiber boards

2A. Roof Insulation — Foamed Plastic* — As an alternate to Item 2, any thicknesspolystyrene foamed plastic insulation boards bearing the UL Classification Marking, having adensity of 2.5 pcf max, shall be installed on top of min 1 in. thick Mineral and Fiber Boards*(Item 2) and covered with either the BuiltUp Roof Covering (Item 1) or singleply RoofingMembrane (Item 1A). The 1 in. thick Mineral and Fiber boards to be installed over the gypsumwallboard (Item 4). See Foamed Plastic* (BRYX) category in the Building Materials Directory orFoamed Plastic* (CCVW) category in the Fire Resistance Directory for list of manufacturers.

2B. Foamed Plastic* — As an alternate to Item 2 or 2A, polyisocyanurate foamed plasticinsulation boards, nom 48 by 48 or 96 in., to be applied in one or more layers over the gypsumwallboard (Item 4). Min thickness is 1.3 in. with no limit on max overall thickness. Boards to beinstalled with end joints staggered a min of 6 in. in adjacent rows. When applied in more thanone layer, each layer to be offset in both directions from layer below a min of 6 in. in order tolap all joints.

ATLAS ROOFING CORP — ACFoam II, ACFoam III, ACFoamII SL, ACFoam IV.

GAF — EnergyGuard RH, Tapered EnergyGuard RH, , EnergyGuard™.

DOW ROOFING SYSTEMS L L C — "Dow Termico Polyisocyanurate Insulation", "Dow TermicoISO HPFR" .

DYPLAST PRODUCTS L L C

FIRESTONE BUILDING PRODUCTS CO L L C — "IS0 95+ GL", "ISO 95+ FK", "ISO 95+ GW","ISO 300", "ISO 95+ CAN", "ISOGARD HD Composite Board" or "RESISTA".

GENFLEX ROOFING SYSTEMS L L C — "GenFlex ISO"

HUNTER PANELS — H Shield

JOHNS MANVILLE — ENRGY 3 25 psi, ENRGY 3, Tapered ENRGY 3, Tapered ENRGY 3 25 psi,ENRGY 3 AGF, Tapered ENRGY 3 AGF, ENRGY 3 25 psi AGF, Tapered ENRGY 3 25 psi AGF,ENRGY 3 CGF, Tapered ENRGY 3 CGF, ENRGY 3 25 psi CGF, Tapered ENRGY 3 25 psi CGF, ISO3, Tapered ISO3, ValuTherm, Tapered ValuTherm, ValuTherm 25 psi, Tapered ValuTherm 25psi, ValuTherm AGF, Tapered ValuTherm AGF, ValuTherm 25 psi AGF, Tapered ValuTherm 25psi AGF, ValuTherm CGF, Tapered ValuTherm CGF, ValuTherm 25 psi CGF, Tapered ValuTherm25 psi CGF.

LOADMASTER SYSTEMS INC — Loadmaster Polyisocyanurate Insulation

RMAX OPERATING L L C — MultiMax3, MultiMax FA3, UltraMax, UltraMax Plus, TaperedUltraMax Plus, Tapered Thermaroof3, Tapered Thermaroof FA3, Tapered UltraMax.



SIKA SARNAFIL INC — Sarnatherm r, Sarnatherm r Ultra, Sarnatherm r Tapered, Sarnathermr Ultra Tapered.

SOPREMA INC — SopraISO s, SopraISO s Tapered, SopraISO+ s, SopraISO+ s Tapered,SopraISO H+ s, SopraISO H+ s Tapered.

2C. Foamed Plastic* — Optional (Not Shown) Maximum 1 in. thick polyisocyanurate foamed plastic insulationboards, nom 48 by 48 or 96 in. Boards may be applied as the top layer in addition to the specified minimum thicknessof any roofing system described herein, as long as the roofing system states that there is no limit on maximumthickness. Joints offset in both directions from layer below.

FIRESTONE BUILDING PRODUCTS CO L L C — "ISOGARD HD"

2D. Roof Insulation — Foamed Plastic* — As an alternate to Items 2 2C — Polyurethane foamed plastic roofinsulation. Formed by the simultaneous spraying of two liquid components applied over gypsum wallboard (item 4) inaccordance with the manufacturer's instructions. Min thickness is 1.3. No limit on max overall thickness.

BASF CORP — Types FE 303 2.7, FE348, FE3482.5, FE3482.7, FE3482.8, FE3483.0, ELASTOSPRAY 81255,ELASTOSPRAY 81275, ELASTOSPRAY 81285 or ELASTOSPRAY 81305.

BASF CORP — Elastospray 51002.0, Elastospray 51002.5, Elastospray 81302, Elastospray 81272, Elastospray AlphaSystem, Elastospray 81252

3. Sheathing Material* — (Optional) — Vinyl film vapor barrier, applied with adhesive to gypsum wallboard. Adjacentsheets overlapped 2 in.

BMCA INSULATION PRODUCTS INC

4. Gypsum Board — (Classified or unclassified) — Supplied in sheets nom 2 by 4 ft to 4 by 12 ft by nom 5/8 in. thick.Min weight 2.0 pcf. Applied perpendicular to steel roof deck directly with adhesive or laid loosely. End joints to occurover crests of steel roof deck with end joints staggered 2 ft in adjacent rows.

See Gypsum Board (CKNX) category for names of manufacturers.

4A. Gypsum Board* — (Optional) 1/4, 3/8 or 1/2 in. thick. gypsum board placed perpendicular to and on top ofItem 4. Gypsum board loosely laid or adhered with Ahdesive*. Adhesive applied in approx 1/2 in. wide ribbons 6 in.OC, at rate of 0.4 gal per 100 sq ft. See Adhesives (BYWR) category for names of manufacturer's.

CERTAINTEED GYPSUM INC — Type Regular

5. Steel Floor and Form Units* — Noncomposite fluted or corrugated, min 0.034 in. thick (20 gauge), 11/2 in. deeppainted or galv steel units. Spacing of welds attaching units to supports shall not exceed 12 in. OC. Adjacent unitswelded or secured together with No. 12 by 1/2 in. selfdrilling, selftapping steel screws, 36 in. OC along side joints.

CANAM STEEL CORP — Type P3606 or P3615

NEW MILLENNIUM BUILDING SYSTEMS L L C — Types B, BI, F. Units may be phos/painted or galvanized.

VULCRAFT, DIV OF NUCOR CORP — Types 1.5A, 1.5B, 1.5BI, 1.5F; Types BW, B High Strength, BW High Strength,N. Units may be phd/ptd.

6. Adhesive — Optional — May be applied between crests of steel roof deck and gypsum wallboard in 1/2 in. wideribbons, 6 in. OC at 0.4 gal per 100 sq ft. May also be applied in 1/2 in. wide ribbons 6 in. OC, at 0.4 gal per 100 sq ftbetween gypsum wallboard and vapor barrier, and between vapor barrier and mineral and fiber boards, or directlybetween gypsum boards and roof insulation when vapor barrier is omitted. May also be applied at the same ratebetween layers of roof insulation.

BMCA INSULATION PRODUCTS INC

7. Mechanical Fasteners — (Not Shown) — Any steel nail or steel clip type fastener designed for the purpose maybe used to attach one or more layers of insulation to steel roof deck (through gypsum board). As an alternate, thegypsum wallboard may be attached directly to the steel roof deck with the mechanical fasteners.

7A. Hot Asphalt or Coal Tar Pitch — (Not Shown) — May be used as an alternate to adhesive between layers of roofinsulation at a rate not to exceed 35 lb per 100 sq ft.

8. Steel Joists — Type 10K1, min size, spaced a max 48 in. OC.



9. Bridging — Steel bars, 1/2 in. diam welded to top and bottom chords of each joist.

10. Furring Channels — For 1 hr restrained and unrestrained assembly rating, No. 26 MSG galv steel 29/16 in. or 25/8 in. or 223/32 in. wide by 7/8 in. deep; spaced 24 in. OC, perpendicular to joists. Two courses of furring channelpositioned 6 in. OC, 3 in. from each end of wallboard. Channels secured to each joist with No. 18 SWG galv steel wiredouble strand saddle ties. Channels spliced below joists with adjoining pieces overlapped 6 in. Channels tied togetherwith double strand No. 18 SWG galv steel wire at each end of overlap. For 2 hr restrained and unrestrained assemblyrating, furring channels installed as described above but spaced 16 in. OC max.

10A. Steel Framing Members* — (optional, not shown, for 1 hr restrained and unrestrained assembly ratings only) —Alternate method to attach furring channels (Item 10) to joists (Item 8). Clips spaced max 48 in. OC., and secured tojoists with cup washer installation kit provided by manufacturer. On underside of bottom chord, 11/2 in. dia x 3/8 in.deep #16 galv steel cup washer is placed to surround the rubber insert. Clip attached to the bottom chord with a 1/4 in.dia. zinc plated bolt inserted through the center grommet and between the chord members; depth of bolt determined as11/2 in. plus the depth of the bottom chord of the joist. Fastened on the top side of the bottom chord with a secondcup washer placed open side up, and a 1/4 in. zinc plated "Nyloc" nut. Furring channels are friction fitted into clips.RSIC1 clip for use with 29/16 in. wide furring channels. RSIC1 (2.75) clip for use with 223/32 in. wide furringchannels. Ends of adjoining channels are overlapped 6 in. and tied together with double strand of No. 18 SWG galv steelwire near each end of overlap. As an alternate, ends of adjoining channels may be overlapped 6 in. and securedtogether with two selftapping #6 framing screws, min. 7/16 in. long at the midpoint of the overlap, with one screw oneach flange of the channel. Additional clips required to hold furring channel that supports the wallboard butt joints, asdescribed in Item 11.

PAC INTERNATIONAL INC — Types RSIC1, RSIC1 (2.75).

10B. Steel Framing Members* — (optional, not shown, for 1 hr restrained and unrestrained assembly ratings only) —Alternate method to attach furring channels (Item 10) to joists (Item 8). Clips spaced max 48 in. OC., and secured tojoists with cup washer installation kit provided by manufacturer. On underside of bottom chord, 11/2 in. dia x 3/8 in.deep #16 galv steel cup washer is placed to surround the rubber insert. Clip attached to the bottom chord with a 1/4 in.dia. zinc plated bolt inserted through the center grommet and between the chord members; depth of bolt determined as11/2 in. plus the depth of the bottom chord of the joist. Fastened on the top side of the bottom chord with a secondcup washer placed open side up, and a 1/4 in. zinc plated "Nyloc" nut. Furring channels are friction fitted into clips.Ends of adjoining channels are overlapped 6 in. and tied together with double strand of No. 18 SWG galv steel wire neareach end of overlap. As an alternate, ends of adjoining channels may be overlapped 6 in. and secured together with twoselftapping #6 framing screws, min. 7/16 in. long at the midpoint of the overlap, with one screw on each flange of thechannel. Additional clips required to hold furring channel that supports the wallboard butt joints, as described in Item11.

PLITEQ INC — Type GENIECLIP

10C. Steel Framing Members* — (Optional, Not Shown, for 1 hr restrained and unrestrained assembly ratings only) Used as an alternate method to attach furring channels (item 10) to joists (item 8). Clips spaced at 24" OC and securedto the bottom of the joists with cup washer installation kit provided by manufacturer. On underside of bottom chord, 11/2 in. dia x 3/8 in. deep No. 16 galv steel cup washer is placed to surround the rubber insert. Clip attached to thebottom chord with a 1/4 in. dia. zinc plated bolt inserted through the center grommet and between the chord members;depth of bolt determined as 11/2 in. plus the depth of the bottom chord of the joist. Fastened on the top side of thebottom chord with a second cup washer placed open side up, and a 1/4 in. zinc plated "Nyloc" nut. Furring channels arethen friction fitted into clips. Ends of channels are overlapped 6" and screwed with four No. 8 x 1/2 Self Drilling screws(2 per side 1 in. and 4 in. from overlap edge). Additional clips are required to hold the Gypsum Butt joints and sidejoints as described in Item 11.

STUDCO BUILDING SYSTEMS — RESILMOUNT Sound Isolation Clips Type A237R

11. Gypsum Board* — For 1 hr restrained and unrestrained assembly rating, one layer 5/8 in. thick, 4 ft wide,installed with long dimension perpendicular to furring channels with side joints located 1 ft from center lines of joists.Wallboard fastened to furring channels with 1 in. wallboard screws spaced 12 in. OC, 3/4 and 3 in. from butted side andend joints, respectively. End joints attached to double channels and protected above with 3 in. wide strips of 5/8 in.thick wallboard. Wallboard joints may be either exposed or covered with joint compound and paper tape. As analternate, nom 3/32 in. thick gypsum veneer plaster may be applied to the entire surface of Classified veneerbaseboard.

When Steel Framing Members (Item 10A, 10B) are used, wallboard butt joints shall be staggered min. 2 ft. within theassembly, and occur between the main furring channels. Edge joints located 1 ft from center lines of joists. At thewallboard butt joints, each end of the gypsum board shall be supported by a single length of furring channel equal tothe width of the wallboard plus 6 in. on each end. The furring channels shall be spaced approximately 31/2 in. OC, andbe attached to underside of the joist with one clip at each end of the channel. Gypsum board attached to the furringchannels using 1 in. long Type S buglehead steel screws spaced 8 in. OC along butted end joints and 12 in. OC in thefield of the board. Wallboard joints covered with fiber tape and joint compound. Butt joints protected above with 3 in.wide strips of 5/8 in. thick gypsum board.

When Steel Framing Members (Item 10C) are used, one layer of nom 5/8 in. thick, 4 ft wide gypsum board isinstalled with long dimensions perpendicular to furring channels. Gypsum board secured to furring channels with nom 1in. long Type S buglehead steel screws spaced 8 in. OC in the field of the board. Gypsum board butted end joints shallbe staggered minimum 72 in. At the gypsum board butt joints, each end of each gypsum board shall be supported by asingle length of furring channel equal to the width of the gypsum board plus 3 in. on each end, spaced approximately 2in. in from joint. Screw spacing along the gypsum board butt joint shall be 8 in. OC. Butt joint furring channels shall beattached with a RESILMOUNT Sound Isolation Clip secured to underside of every joist that is located over the butt joint.Over all Gypsum Board side joints, approximately 20 in. lengths of furring channel shall be installed parallel to joists



(Item 3) between main furring channels. Side joint furring channels shall be attached to underside of the joist withRESILMOUNT Sound Isolation Clips Type A237R located approximately 2 in. from each end of the approximate 20 in.length of channel. Both Gypsum Boards at side joints fastened into channel with screws spaced 8 in. OC, approximately1/2 in. from joint edge.

AMERICAN GYPSUM CO — Type AGC

CERTAINTEED GYPSUM INC — Type FRPC, Type C.

CGC INC — Type C, IPX2.

CONTINENTAL BUILDING PRODUCTS OPERATING CO, L L C — Type LGFCC/A.

GEORGIAPACIFIC GYPSUM L L C — Types 5, C, DAPC, TGC.

NATIONAL GYPSUM CO — Types eXPC, FSKC, FSWC, FSWG.

PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUM — Type C.

PANEL REY S A — Type PRC

UNITED STATES GYPSUM CO — Type C, IPX2.

USG MEXICO S A DE C V — Type C, IPX2.

11A. Gypsum Board* — For 2 hr restrained and unrestrained assembly rating, two layers nom 1/2 in. thick by 48 in.wide, installed with long dimension perpendicular to furring channels. Inner layer positioned with end joints midwaybetween furring channels. Secured to furring channels with 1 in. long Type S12 screws spaced 12 in. OC, and located5/8 in. from side joints and 2 in. from end joints. Outer layer positioned with end joints between furring channels. Endjoints and side joints offset joints 16 to 32 in. from end and side joints of inner layer. Outer layer secured to furringchannels with 15/8 in. long Type S12 screws spaced 12 in. OC. End joints of outer layer attached to inner layer with11/2 in. long Type G buglehead steel screws spaced 8 in. OC and 3/4 in. from end of boards.

GEORGIAPACIFIC GYPSUM L L C — Type TGC.

UNITED STATES GYPSUM CO — Type C, IPX2.

12. Screw, Wallboard — Case hardened steel, 1 in. long, 0.150 diam shank, selfdrilling and selftapping 0.335 in.diam Phillips type head. Screw heads may be either exposed or covered with joint cement.




© 2015 UL LLC

When the UL Leaf Mark is on the product, or when the word "Environment" is included in the UL Mark, please search the UL Environmentdatabase for additional information regarding this product's certification.




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11/10/2015 BXUV.U425 Fire Resistance Ratings ANSI/UL 263

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Design No. U425BXUV.U425


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Design No. U425October 28, 2015

(For Exterior Walls, Ratings Applicable

For Exposure To Fire On Interior Face Only,

(See Items 4 and 5)

Bearing Wall Rating — 45 Min, 1, 11/2 or 2 HR.

(See Items 2 and 4)










1. Steel Floor and Ceiling Tracks — (Not Shown) — Top and bottom tracks of wall assemblies shall consist of steelmembers, min No. 20 MSG (0.0329 in., min bare metal thickness) steel or min No. 20 MSG (0.036 in. thick) galv steelor No. 20 MSG (0.033 in. thick) primed steel, that provide a sound structural connection between steel studs, and toadjacent assemblies such as a floor, ceiling, and/or other walls. Attached to floor and ceiling assemblies with steelfasteners spaced not greater than 24 in. O.C.

2. Steel Studs — Min 31/2 in. wide, No. 20 MSG (0.0329 in., min bare metal thickness) corrosion protected coldformed steel studs designed in accordance with the current edition of the Specification for the Design of ColdFormedSteel Structural Members by the American Iron and Steel Institute. All design details enhancing the structural integrityof the wall assembly, including the axial design load of the studs, shall be as specified by the steel stud designer and/orproducer, and shall meet the requirements of all applicable local code agencies. The max stud spacing of wallassemblies shall not exceed 24 in. OC (or 16 in. OC when Item 5b is used). Studs attached to floor and ceiling trackswith 1/2 in. long Type S12 steel screws on both sides of studs or by welded or bolted connections designed inaccordance with the AISI specifications.

2A. Framing Members* Steel Studs — In lieu of Item 2 Min 31/2 in. wide, No. 20 MSG (0.0329 in., min baremetal thickness) corrosion protected cold formed steel studs designed in accordance with the current edition of theSpecification for the Design of ColdFormed Steel Structural Members by the American Iron and Steel Institute. Alldesign details enhancing the structural integrity of the wall assembly, including the axial design load of the studs, shallbe as specified by the steel stud designer and/or producer, and shall meet the requirements of all applicable local codeagencies. The max stud spacing of wall assemblies shall not exceed 24 in. OC (or 16 in. OC when Item 5b is used).Studs attached to floor and ceiling tracks with 1/2 in. long Type S12 steel screws on both sides of studs or by weldedor bolted connections designed in accordance with the AISI specifications.

EB MéTAL INC — EB Stud



2B. Framing Members* Steel Studs — In lieu of Item 2 Min 35/8 in. wide, No. 20 MSG (0.036 in. min.thickness) corrosion protected cold formed steel studs designed in accordance with the current edition of theSpecification for the Design of ColdFormed Steel Structural Members by the American Iron and Steel Institute. Alldesign details enhancing the structural integrity of the wall assembly, including the axial design load of the studs, shallbe as specified by the steel stud designer and/or producer, and shall meet the requirements of all applicable local codeagencies. The max stud spacing of wall assemblies shall not exceed 24 in. OC (or 16 in. OC when Item 5b is used).Studs attached to floor and ceiling tracks with 1/2 in. long Type S12 steel screws on both sides of studs or by weldedor bolted connections designed in accordance with the AISI specifications.

BAILEY METAL PRODUCTS LTD

3. Lateral Support Members — (Not shown) — Where required for lateral support of studs, support may be providedby means of steel straps, channels or other similar means as specified in the design of a particular steel stud wallsystem.

4. Gypsum Board* — Any 1/2 in. thick UL Classified Gypsum Board that is eligible for use in Design No. X515.Any 5/8 in. thick UL Classified Gypsum Board that is eligible for use in Design Nos. L501, G512 or U305.Gypsum board bearing the UL Classification Marking as to Fire Resistance. Applied vertically with joints between layersstaggered. Outer layer of 3 layer construction may be applied horizontally unless specified below. The thickness andnumber of layers and percent of design load for the 45 min, 1 hr, 11/2 hr and 2 hr ratings are as follows:

Interior Walls

Rating

Wallboard ProtectionBoth Sides of Wall No. of Layers & Thknsof Board In. Each Layers

% ofDesign Load

45 min *1 layer, 1/2 in. thick 100

1 hr *1 layer, 5/8 in. thick 100

11/2 hr *2 layers, 1/2 in. thick 100

2 hr *2 layers, 5/8 in. thick or 80

*3 layers, 1/2 in. thick 100

*2 layers, 3/4 in. thick 100

* Ratings applicable to assemblies serving as exterior walls where Classified fire resistive gypsum sheathing typewallboard is substituted on the exterior face.

Exterior Walls

Rating

Wallboard Protectionon Interior Side of Wall No. of Layers & Thknsof Board In. Each Layers

% ofDesign Load

45 min 1 layer, 5/8 in. thick 100

1 hr 2 layers, 1/2 in. thick 100

11/2 hr 2 layers, 5/8 in. thick 100

2 hr 3 layers, 1/2 in. thick 100

2 layers, 3/4 in. thick 100

ACADIA DRYWALL SUPPLIES LTD (View Classification) — CKNX.R25370

AMERICAN GYPSUM CO (View Classification) — CKNX.R14196

BEIJING NEW BUILDING MATERIALS PUBLIC LTD CO (View Classification) — CKNX.R19374

CERTAINTEED GYPSUM INC (View Classification) — CKNX.R3660

CGC INC (View Classification) — CKNX.R19751

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CONTINENTAL BUILDING PRODUCTS OPERATING CO, L L C (View Classification) — CKNX.R18482

GEORGIAPACIFIC GYPSUM L L C (View Classification) — CKNX.R2717

LOADMASTER SYSTEMS INC (View Classification) — CKNX.R11809

NATIONAL GYPSUM CO (View Classification) — CKNX.R3501

PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUM (View Classification) — CKNX.R7094

PANEL REY S A (View Classification) — CKNX.R21796

SIAM GYPSUM INDUSTRY (SARABURI) CO LTD (View Classification) — CKNX.R19262

THAI GYPSUM PRODUCTS PCL (View Classification) — CKNX.R27517

UNITED STATES GYPSUM CO (View Classification) — CKNX.R1319

USG BORAL ZAWAWI DRYWALL L L C SFZ (View Classification) — CKNX.R38438

USG MEXICO S A DE C V (View Classification) — CKNX.R16089

4A. Gypsum Board — Nom. 3/4 in. gypsum board applied vertically with joints between layers staggered. Thethickness and number of layers and percent of design load for the 2 hr ratings are shown in the table above.

CGC INC — Types AR, IPAR, IPX3, or ULTRACODE

UNITED STATES GYPSUM CO — Types AR, IPAR, IPX3, or ULTRACODE

USG MEXICO S A DE C V — Types AR, IPAR, IPX3, or ULTRACODE

4B. Gypsum Board* — (As an alternate to Items 4 and 4A) Nom. 5/8 in. thick gypsum panels, with square edges,applied horizontally. Gypsum panels fastened to framing with 1 in. long bugle head steel screws spaced a max 8 in. OC,with last 2 screws 3/4 in. and 4 in. from each edge of board. Horizontal joints need not be backed by steel framing.Horizontal edge joints and horizontal butt joints on opposite sides of studs on interior walls need not be staggered.Horizontal edge joints and horizontal butt joints in adjacent layers on interior walls (multilayer systems) staggered amin of 12 in.

GEORGIAPACIFIC GYPSUM L L C — GreenGlass Type X, Type DGG

NATIONAL GYPSUM CO — Type FSW6.

4C. Gypsum Board* — (As an alternate to Items 4 through 4B) 5/8 in. thick, 4 ft. wide, paper surfaced appliedvertically only and secured as described in Item 6.

CERTAINTEED GYPSUM INC — Type SilentFX

GEORGIAPACIFIC GYPSUM L L C — Type X ComfortGuard Sound Deadening Gypsum Board.

NATIONAL GYPSUM CO — SoundBreak XP Type X Gypsum Board










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4D. Wall and Partition Facings and Accessories* — (As an alternate to Items 4 through 4C) — Nominal 5/8 in.thick, 4 ft wide panels, applied vertically and secured as described in Item 4.

PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUM — Type QuietRock ES.

4E. Wall and Partition Facings and Accessories* — (As an alternate to Items 4 through 4D) — Nominal 5/8 in.thick, 4 ft wide panels, applied vertically and secured as described in Item 4.

PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUM — Type QuietRock 527.

4F. Gypsum Board* — (As an alternate to 5/8 in. Type FSW in Item 4) Nom. 5/16 in. thick gypsum panels appliedvertically. Two layers of 5/16 in. for every single layer of 5/8 in. gypsum board described in Item 4. Horizontal jointson the same side need not be staggered. Inner layer of each double 5/16 in. layer attached with fasteners, as describedin item 4, spaced 24 in. OC. Outer layer of each double 5/16 in. layer attached per Item 4.

NATIONAL GYPSUM CO — Type FSW.

5. Gypsum Sheathing — For exterior walls, 1/2 or 5/8 in. thick Classified or unclassified exterior gypsum sheathingapplied vertically and attached to studs and runner tracks with 1 in. long Type S12 bugle head screws spaced 12 in.OC. along studs and tracks. One of the following exterior facings are to be applied over the gypsum sheathing.

a. Siding, Brick, or Stucco — Aluminum siding, steel siding, brick veneer, or stucco attachedto studs over gypsum sheathing and meeting the requirements of local code agencies. When amin 33/4 in. thick brick veneer facing is used, the Exterior Wall Rating is applicable withexposure on either face. Brick veneer wall attached to studs with corrugated metal wall tiesattached to each stud with steel screws, not more than each sixth course of brick. When a min33/4 in. thick brick veneer facing is used, Foamed Plastic (Item 10) may be used.

b. Cementitious Backer Units* — 1/2 or 5/8 in. thick, square edge boards, attached to steelstuds over gypsum sheathing with 15/8 in. long, Type S12, corrosion resistant, wafer headsteel screws, spaced 8 in. OC. Studs spaced a max of 16 in. OC. Joints covered with glass fibermesh tape.

UNITED STATES GYPSUM CO — Type DCB

c. FiberCement Siding — Fibercement exterior sidings including smooth and patterned panelor lap siding.

d. Molded Plastic* — Solid vinyl siding mechanically secured to framing members inaccordance with manufacturer's recommended installation details.

ALSIDE, DIV OF ASSOCIATED MATERIALS INC

e. Wood Structural Panel or Lap Siding — APA Rated Siding, Exterior, plywood, OSB orcomposite panels with veneer faces and structural wood core, per PS 1 or APA Standard PRP108, including textured, rough sawn, medium density overlay, brushed, grooved and lap siding.

f. Building Units* — (Not Shown) 3 in. thick 18 x 24 in. cellular glass blocks, applied to thegypsum sheathing (Item 5) with PC 88 adhesive or fastened with F anchors spaced a maximum24 in. OC. F anchors fastened to framing members with 11/4 in. long #6 drywall screws.

PITTSBURGH CORNING CORP — Type FoamGlas

6. Fasteners — (Not Shown) — Screws used to attach wallboard to studs: selftapping bugle head sheet steel type,spaced 12 in. O.C. First layer Type S12 by 1 in. long for 1/2 and 5/8 in. thick wallboards and 11/4 in. long for 3/4 in.thick wallboard. Second layer Type S12 by 15/8 in. long for 1/2 and 5/8 in. thick wallboards and 21/4 in. long for3/4 in. thick wallboard. Third layer Type S12 by 17/8 in. long.

7. Batts and Blankets* — Placed in stud cavities of all exterior walls. May or may not be used in interior walls. Anyglass fiber or mineral wool batt material bearing the UL Classification Marking as to Fire Resistance, of a thickness tocompletely fill stud cavity.

See Batts and Blankets* (BZJZ) Category for names of Classified companies.

7A. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 7) — (100% Borate Formulation) — Spray appliedcellulose material. The fiber is applied with water to completely fill the enclosed cavity in accordance with theapplication instructions supplied with the product with a nominal dry density of 2.7 lb/ft3. Alternate Application Method:The fiber is applied without water or adhesive at a nominal dry density of 3.5 lb/ft3, in accordance with the applicationinstructions supplied with the product.

U S GREENFIBER L L C — INS735 & INS745 for use with wet or dry application. INS765LD and INS770LD are to beused for dry application only.

7B. Fiber, Sprayed* — As an alternate to Item 7 and 7A — Spray applied cellulose material. The fiber is applied with



water to completely fill the enclosed cavity in accordance with the application instructions supplied with the product.Nominal dry density of 4.58 lb/ft3.

NUWOOL CO INC — Cellulose Insulation

7C. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 7) Spray applied cellulose fiber. The fiber isapplied with water to completely fill the enclosed cavity in accordance with the application instructions supplied with theproduct. The minimum dry density shall be 4.30 lbs/ft3.

INTERNATIONAL CELLULOSE CORP — CelbarRL

7D. Fiber, Sprayed* — (optional) As an alternate to Batts and Blankets (Item 7) — Spray applied mineral woolinsulation. The fiber is applied with water to completely fill the enclosed cavity in accordance with the applicationinstructions supplied with the product. See Fiber, Sprayed (CCAZ).

TEXAS AMERROCK PARTNERS L P, DBA AMERROCK PRODUCTS — Type Rockwool

8. Joint Tape and Compound — (Not Shown) — Vinyl or casein, dry or premixed joint compound applied in two coatsto joints and screw heads of outer layer. Perforated paper tape, 2 in. wide, embedded in first layer of compound overall joints of outer layer.

9. Furring Channels — (Optional, not shown, for single or double layer systems) — Resilient furring channelsfabricated from min 25 MSG corrosionprotected steel, spaced vertically a max of 24 in. OC. Flange portion attached toeach intersecting stud with 1/2 in. long Type S12 steel screws.

10. Foamed Plastic* — Not Shown For use with brick veneer as outlined in Item 5A Maximum 2 in. thick rigidpolystyrene insulation attached to studs with fasteners of sufficient length to penetrate the foam and 3/16 in. into thestud. A minimum 1 in. air space is to be maintained between the outer surface of the foamed plastic and the innersurface of the brick veneer.

ATLAS EPS, DIV OF ATLAS ROOFING CORP — Type ThermalStar

OWENS CORNING FOAM INSULATION L L C

10A. Mortar Drop Protection — (Optional, Not shown) foamed plastic with mortar control device attached,continuous, by drainage holes at bottom of air space behind brick veneer.

OWENS CORNING FOAM INSULATION L L C — WeepGuard

10B. Foamed Plastic* — Polyisocyanurate foamed plastic insulation boards, any thickness, Classified in accordancewith BRYX and / or CCVW. May be used with any exterior facing shown under items 5a, 5c, 5d and 5e.

ATLAS ROOFING CORP — "EnergyShield Pro Wall Insulation" and "EnergyShield Pro 2 Wall Insulation."

CARLISLE COATINGS & WATERPROOFING INC — Type R2+ Sheath

HUNTER PANELS — Type XciClass A, Xci 286, "Xci CG", "Xci Foil"

THE DOW CHEMICAL CO — Type Thermax Sheathing, Thermax Light Duty Insulation, Thermax Heavy Duty Insulation,Thermax Metal Building Board, Thermax White Finish Insulation, Thermax ci Exterior Insulation, Thermax XARMOR ciExterior Insulation, Thermax IH Insulation, Thermax Plus Liner Panel, Thermax Heavy Duty Plus (HDP), and TUFFR™ci Insulation

10C. Building Unit* — Polyisocyanurate foamed plastic composite insulation boards, any thickness, Classified inaccordance with BZXX. May be used with any exterior facing shown under items 5a, 5c, 5d and 5e.

HUNTER PANELS — Type "Xci NB" and "Xci Ply"

11. Cementitious Backer Units* — (Optional Item Not Shown For Use On Face Of 1 Hr Or 2 Hr Systems With AllStandard Items Required) 7/16 in., 1/2 in., 5/8 in., 3/4 in. or 1 in. thick, min. 32 in. wide. Applied vertically orhorizontally with vertical joints centered over studs. Fastened to studs and runners with cement board screws ofadequate length to penetrate stud by a minimum of 3/8 in. for steel framing members spaced a max of 8 in. OC. When4 ft. wide boards are used, horizontal joints need not be backed by framing. 2Hr System Applied vertically withvertical joints centered over studs. Face layer fastened over gypsum board to studs and runners with cement boardscrews of adequate length to penetrate stud by a minimum of 3/8 in. for steel framing members, and a minimum of3/4 in. for wood framing members spaced a max of 8 in. OC.



NATIONAL GYPSUM CO — Type DuraBacker, PermaBase, DuraBacker Plus, or PermaBase Plus

12. Wall and Partition Facings and Accessories* — (Optional, Not Shown) — For use with Item 1, Items 2 and 2A,Item 3, Item 4 to 4B, Item 6, Item 7, Item 8 and Item 9. For maximum fire rating of 1 hour. On one side of the wall,over the first layer of Gypsum Board (Item 4 to 4B), install RefleXor membrane with the gold side facing outwards.Membrane installed with T50 staples spaced 12 inches on center in both directions as per manufacturer's instructions,seams in membrane to be overlapped by 2 inches. When RefleXor membrane is used an additional layer of GypsumBoard that is identical to the one used in the first layer and as specified in Item 4 to 4B shall be installed over themembrane. The additional layer of Gypsum Board to be installed through the membrane to the stud as specified inItem 4 to 4B except the fastener length shall be increased by a minimum of 5/8 inch. Install Batts and Blankets in thestud cavity as per Item 7. On the other side of the wall prior to the installation of the Gypsum Board install ResilientChannels , 25 MSG galv steel, spaced vertically 24 in. OC, flange portion screw attached to one side of studs with 11/4in. long diamond shaped point, double lead Phillips head steel screws. Over the Resilient Channels install ¾ inch thickSONOpan panel secured to the Resilient Channels with drywall screws and washers spaced at 16 in. OC on the perimeterof the panel and 8 in. OC in the field of the panel. Over the SONOpan panel install the same Gypsum Board asspecified in Item 4 to 4B with the fastener length increased by minimum 3/4 inch. Not evaluated or intended as asubstitute for the required layer(s) of UL Classified Gypsum Board.

MSL — RefleXor membrane, SONOpan panel.




© 2015 UL LLC







Design No. U493BXUV.U493


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Design No. U493August 31, 2015

Nonbearing Wall Rating — 1 or 2 Hr. (See Items 5, 5A, 5B)


1. Floor and Ceiling Runners — (For use with Item 5 and 5A) Channel shaped, attached to floor and ceiling in tworows, a min 1 in. apart, with steel fasteners spaced 24 in. OC. Runners fabricated from min No. 25 MSG galv steel, 11/4 in. wide and 21/2 in. deep.

1A. Floor and Ceiling Runners — (As an alternate to Item 1, For use with Item 5B and 5C) Channel shaped, attachedto floor and ceiling in two rows, a min 1 in. apart. Runners fabricated from min No. 20 MSG galv steel, 13/16 in. wideand 29/16 in. deep.





1B. Framing Members*— Floor and Ceiling Runners — (Not shown for use with Item 2B) — As an alternate to Item1 Channel shaped, min. 21/2 in. deep, attached to floor and ceiling with fasteners 24 in. OC. max.

ALLSTEEL & GYPSUM PRODUCTS INC — Type SUPREME Framing System

CONSOLIDATED FABRICATORS CORP, BUILDING PRODUCTS DIV — Type SUPREME Framing System

QUAIL RUN BUILDING MATERIALS INC — Type SUPREME Framing System

SCAFCO STEEL STUD MANUFACTURING CO — Type SUPREME Framing System

STEEL CONSTRUCTION SYSTEMS INC — Type SUPREME Framing System

UNITED METAL PRODUCTS INC — Type SUPREME Framing System

1C. Framing Members*— Floor and Ceiling Runners — (Not shown) — As an alternate to Item 1 for a 2 hour ratingonly For use with Item 2C, channel shaped, min 21/2 in. deep, attached to floor and ceiling with fasteners 24 in. OC.max.

CLARKDIETRICH BUILDING SYSTEMS — CD ProTRAK

DMFCWBS L L C — ProTRAK

MBA METAL FRAMING — ProTRAK

RAM SALES L L C — Ram ProTRAK

STEEL STRUCTURAL PRODUCTS L L C — TriS ProTRAK

1D. Framing Members*— Floor and Ceiling Runners — (Not shown) — As an alternate to Item 1 For use withItem 2D, channel shaped, min 21/2 in. deep, attached to floor and ceiling with fasteners 24 in. OC. max.

MARINO/WARE, DIV OF WARE INDUSTRIES INC — Viper20™ Track

1E. Framing Members*— Floor and Ceiling Runners — (Not shown) — As an alternate to Item 1 for a 2 hour ratingonly For use with Item 2E, channel shaped, min 21/2 in. deep, attached to floor and ceiling with fasteners 24 in. OC.max.

MARINO/WARE, DIV OF WARE INDUSTRIES INC — Viper25™ Track

2. Steel Studs — (For use with Item 5 and 5A) Channel shaped, supplied with cutouts, friction fitted into floor andceiling runners and spaced a max 24 in. OC. Studs cut 1/2 in. less than assembly height and evenly staggered betweenthe two rows of floor and ceiling runners. Studs fabricated from min No. 25 MSG galv steel, min 21/2 in. deep by 15/8 in. wide with 3/8 in. folded back return flange legs.

2A. Steel Studs — (As an alternate to Item 2, For use with Items 5B & 5C) Channel shaped, supplied with cutouts,friction fitted into floor and ceiling runners and spaced a max 16 in. OC. Studs cut 1/2 in. less than assembly heightand staggered flush against the floor runners. Studs fabricated from min No. 20 MSG galv steel, min 21/2 in. deep x15/8 in. wide x 3/8 in. folded back return flange legs.

2B. Framing Members*— Steel Studs — As an alternate to Item 2 Channel shaped studs, min. 21/2 in. deep,spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height.

ALLSTEEL & GYPSUM PRODUCTS INC — Type SUPREME Framing System

CONSOLIDATED FABRICATORS CORP, BUILDING PRODUCTS DIV — Type SUPREME Framing System

OLMAR SUPPLY INC — PRIMESTUD



QUAIL RUN BUILDING MATERIALS INC — Type SUPREME Framing System

SCAFCO STEEL STUD MANUFACTURING CO — Type SUPREME Framing System

STEEL CONSTRUCTION SYSTEMS INC — Type SUPREME Framing System

UNITED METAL PRODUCTS INC — Type SUPREME Framing System

2C. Framing Members*— Steel Studs — As an alternate to Item 2 for a 2 hour rating only For use with Item 1C,channel shaped studs, min 21/2 in. deep, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assemblyheight.

CLARKDIETRICH BUILDING SYSTEMS — CD ProSTUD

DMFCWBS L L C — ProSTUD

MBA METAL FRAMING — ProSTUD

RAM SALES L L C — Ram ProSTUD

STEEL STRUCTURAL PRODUCTS L L C — TriS ProSTUD

2D. Framing Members*— Steel Studs — As an alternate to Item 2 For use with Item 1D, channel shaped studs,min 21/2 in. deep, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height.

MARINO/WARE, DIV OF WARE INDUSTRIES INC — Viper20™

2E. Framing Members*— Steel Studs — As an alternate to Item 2 for a 2 hour rating only For use with Item 1E,channel shaped studs, min 21/2 in. deep, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assemblyheight.

MARINO/WARE, DIV OF WARE INDUSTRIES INC — Viper25™

3. Lateral Bracing — The bracing shall be in accordance with the SSMA Technical Note Dated March 2000 ReferencingUnsheathed Flange Bracing.

3A. Lateral Bracing — (Not shown) — Right angle shaped, supplied with notches spaced 12, 16, or 24 in. OC.,frictionfitted to the cutouts in steel studs, supplied in 7/8 in. by 7/8 in. by 50 in. lengths. Lateral bracing barsfabricated from min. 20 MSG galvanized steel. The bracing shall be located a maximum of 5 ft on center in accordancewith the manufacturers published literature.

CLARKDIETRICH BUILDING SYSTEMS — TradeReady Spazzer 9200 bar

4. Batts and Blankets — Optional Glass fiber batts may be frictionfitted to completely fill the stud cavities on oneor both rows of studs. See Batts and Blankets Category (BZJZ) for names of manufacturers.

4A. Batts and Blankets — For use with Item 5G. Placed in stud cavities, any min. 31/2 in. thick glass fiber insulationbearing the UL Classification Marking as to Surface Burning Characteristics and/or Fire Resistance. See Batts andBlankets (BKNV or BZJZ) Categories for names of Classified companies.

5. Gypsum Board* — Nom 5/8 in. thick, 4 ft. wide, gypsum panels with beveled, square or tapered edges, appliedvertically or horizontally. Single layer installed on each side of the steel studs for the 1hr system, two layers installedon each side of the studs for the 2hr system. Vertical joints centered over studs and staggered one stud cavity onopposite sides of studs. Vertical joints in adjacent layers (2hr system) staggered one stud cavity. Horizontal edge jointsand horizontal butt joints need not be backed by framing. Horizontal edge joints and horizontal butt joints on oppositesides of studs need not be staggered. Horizontal edge joints and horizontal butt joints in adjacent layers (2hr system)staggered a minimum of 6 in. For the single layer system: panels attached to steel studs and floor runner with 1 in.long Type S steel screws spaced 8 in. OC when applied horizontally, or 8 in. OC along vertical and bottom edges and 12in. OC in the field when applied vertically. For the double layer system: base layer panels attached to steel studs andfloor runner with 1 in. long Type S steel screws spaced 16 in., face layer panels attached to steel studs and floor runnerwith 15/8 in. long Type S steel screws spaced 12 in. When used in widths other than 48 in., gypsum panels to be



installed horizontally.

When Steel Framing Members* (Item 7) are used: For the 1hr system, gypsum panels attached vertically to furringchannels with 1 in. long Type S12 screws spaced 12 in. OC. Vertical joints offset min 12 in. from layer on other side ofwall. For the 2hr system, inner layer of gypsum panels attached vertically to furring channels with 1 in. Type S12screws spaced 16 in. OC, outer layer with 15/8 in. Type S12 screws spaced 12 in. OC. Inner layer to be appliedvertically. Outer layer to be applied vertically with joints offset a minimum 12 in. from inner layer joints.

CGC INC — Type SCX, SHX, IPX1, WRX, AR, IPAR, C, WRC, IPX2, or IPCAR, USGX (Joint tape and compound,Item 6, optional for use with Type USGX).

UNITED STATES GYPSUM CO — Type AR, C, FRXG, IPAR, IPX1, IPX2, IPCAR, SCX, SGX, SHX, WRX, WRC,USGX (Joint tape and compound, Item 6, optional for use with Type USGX).

USG BORAL ZAWAWI DRYWALL L L C SFZ — Types C, SCX

USG MEXICO S A DE C V — Type SCX, SHX, IPX1, WRX, AR, IPAR, C, WRC, IPX2, or IPCAR, USGX (Joint tapeand compound, Item 6, optional for use with Type USGX).

5A. Gypsum Board* — (As an alternate to Item 5) — Single layer installed on each side of the steel studs for the 1hr system, two layers installed on each side of the studs for the 2hr system. Nom 3/4 in. thick, 4 ft wide, installed asdescribed in Item 5 with screw length increased to 11/4 in. for base layer (or for 1 hr. configuration) 21/4 in. for facelayer.

CGC INC — Types AR, IPAR.

UNITED STATES GYPSUM CO — Types AR, IPAR.

USG MEXICO S A DE C V — Types AR, IPAR.

5B. Gypsum Board* — (As an alternate to Item 5 may be used as the base layer on one or both sides of wall, Fordirect attachment only) Nom 5/8 in. or ¾ in. thick lead backed gypsum panels with beveled, square or tapered edges,applied vertically. Vertical joints centered over min 20 MSG galvanized steel studs and staggered min 1 stud cavity onopposite sides of studs. See Item 2A. Wallboard secured to studs with 11/4 in. long Type S12 steel screws spaced 8in. OC at perimeter and 12 in. OC in the field. To be used with Lead Batten Strips (see Item 8) or Lead Discs or Tabs(see Item 9).

RAYBAR ENGINEERING CORP — Type RBLBG

5C. Gypsum Board* — Nominal 5/8 in. thick lead backed gypsum panels with beveled, square or tapered edges,applied vertically. Vertical joints centered over studs and staggered min 1 stud cavity on opposite sides of studs.Wallboard secured to studs with 11/4 in. long Type S12 (or #6 by 11/4 in. long bugle head fine driller) steel screwsspaced 8 in. OC at perimeter and 12 in. OC in the field.

NEW ENGLAND LEAD BURNING CO INC, DBA NELCO — Nelco

5D. Gypsum Board* — (As an alternate to Item 5, not for use with Items 1C and 2C) Nom. 5/8 in. thick, 4 ft. widegypsum panels with beveled, square or tapered edges installed as described in Item 5.

CGC INC — Type ULX

UNITED STATES GYPSUM CO — Type ULX

USG MEXICO S A DE C V — Type ULX

5E. Gypsum Board* — (As an alternate to Item 5 may be used as the base layer on one or both sides of wall, Fordirect attachment only). Nom 5/8 in. thick lead backed gypsum panels with beveled, square or tapered edges, appliedvertically. Vertical joints centered over min 20 MSG galvanized steel studs and staggered min 1 stud cavity on oppositesides of studs. See Item 2A. Wallboard secured to studs with 11/4 in. long Type S12 steel screws spaced 8 in. OC atperimeter and 12 in. OC in the field. Lead batten strips required behind vertical joints of lead backed gypsum wallboardand optional at remaining stud locations. Lead batten strips, min 2 in. wide, max 8 ft long with a max thickness of 0.14in. placed on the face of studs and attached to the stud with construction adhesive and two 1 in. long Type S12 panhead steel screws, one at the top of the strip and one at the bottom of the strip. Lead discs, nominal 3/8 in. diam by



max 0.085 in. thick. Compression fitted or adhered over the screw heads. Lead batten strips and discs to have a purityof 99.9% meeting the Federal specification QQL201f, Grade "C".

RADIATION PROTECTION PRODUCTS INC — Type RPP Lead Lined Drywall

5F. Gypsum Board* — (As an alternate to Items 4) For Direct Application to studs Only For use as the base layer oras the face layer. Nom 5/8 in. thick lead backed gypsum panels with beveled, square or tapered edges, appliedvertically. Vertical joints centered over studs and staggered min 1 stud cavity on opposite sides of studs. Wallboardsecured to studs with 11/4 in. long Type S12 steel screws spaced 8 in. OC at perimeter and in the field when appliedas the base layer. When applied as the face layer screw length to be increased to 21/2 in. Lead batten strips requiredbehind vertical joints of lead backed gypsum wallboard and optional at remaining stud locations. Lead batten strips, min2 in. wide, max 10 ft long with a max thickness of 0.140 in. placed on the face of studs and attached to the stud withtwo 1 in. long Type S8 pan head steel screws, one at the top of the strip and one at the bottom of the strip. Leaddiscs, max 5/16 in. diam by max 0.140 in. thick compression fitted or adhered over the screw heads. Lead batten stripsand discs to have a purity of 99.9% meeting the Federal specification QQL201f, Grades "A, B, C or D". Fasteners forface layer gypsum panels (Items 5) when installed over lead backed board to be min 21/2 in. Type S12 bugle headsteel screws spaced as described in Item 5.

MAYCO INDUSTRIES INC — "XRay Shielded Gypsum"

5G. Gypsum Board* — For use with Item 4A, Batts and Blankets*, for the 1 hour rating. Nom 5/8 in. thick, 4 ft.wide, gypsum panels with beveled, square or tapered edges, applied vertically or horizontally. Single layer installed oneach side of the steel studs for the 1hr system, two layers installed on each side of the studs for the 2hr system.Vertical joints centered over studs and staggered one stud cavity on opposite sides of studs. Vertical joints in adjacentlayers (2hr system) staggered one stud cavity. Horizontal edge joints and horizontal butt joints need not be backed byframing. Horizontal edge joints and horizontal butt joints on opposite sides of studs need not be staggered. Horizontaledge joints and horizontal butt joints in adjacent layers (2hr system) need not be staggered. For the single layersystem: panels attached to steel studs and floor runner with 1 in. long Type S steel screws spaced 8 in. OC whenapplied horizontally, or 8 in. OC along vertical and bottom edges and 12 in. OC in the field when applied vertically. Forthe double layer system: base layer panels attached to steel studs and floor runner with 1 in. long Type S steel screwsspaced 16 in., face layer panels attached to steel studs and floor runner with 15/8 in. long Type S steel screws spaced8 in. When used in widths other than 48 in., gypsum panels to be installed horizontally.

When Steel Framing Members* (Item 7) are used: For the 1hr system, gypsum panels attached vertically to furringchannels with 1 in. long Type S12 screws spaced 12 in. OC. Vertical joints offset min 12 in. from layer on other side ofwall. For the 2hr system, inner layer of gypsum panels attached vertically to furring channels with 1 in. Type S12screws spaced 16 in. OC, outer layer with 15/8 in. Type S12 screws spaced 8 in. OC. Inner layer to be appliedvertically. Outer layer to be applied vertically with joints offset a minimum 8 in. from inner layer joints.

UNITED STATES GYPSUM CO — Type ULIX

6. Joint Tape and Compound — (Not Shown) — Outer layer joints covered with joint compound and paper or meshtape. Screw heads covered with joint compound. Paper tape and joint compound may be omitted when gypsum boardsare supplied with square edges.

7. Steel Framing Members (Not Shown)* — (Optional on one or both sides, not shown, for single or double layersystems) — Furring channels and Steel Framing Members as described below:

a. Furring Channels — Formed of No. 25 MSG galv steel. 29/16 in. or 223/32 in. wide by7/8 in. deep, spaced max. 24 in. OC perpendicular to studs. Channels secured to studs asdescribed in Item b. Gypsum board attached to furring channels as described in Item 5. May notbe used with items 5B and 5C.

b. Steel Framing Members* — Used to attach furring channels (Item 7a) to studs (Item 2).Clips spaced max. 48 in. OC., and secured to studs with No. 8 x 11/2 in. minimum selfdrilling,S12 steel screw through the center grommet. Furring channels are friction fitted into clips.RSIC1 clip for use with 29/16 in. wide furring channels. RSIC1 (2.75) clip for use with 223/32 in. wide furring channels.

PAC INTERNATIONAL L L C — Types RSIC1, RSIC1 (2.75).

7A. Steel Framing Members — (Optional, Not Shown)* Furring channels and resilient sound isolation clip asdescribed below:

a. Furring Channels — Formed of No. 25 MSG galv steel. Spaced 24 in. OC perpendicular tostuds. Channels secured to studs as described in Item b. Ends of adjoining channels overlapped 6in. and secured together with four selftapping No. 8x1/2 Self Drilling screws (2 per side 1 in.and 4 in. from overlap edge). Gypsum board attached to furring channels as described in Item5. Side joint furring channels shall be attached to studs with RESILMOUNT Sound Isolation Clips Type A237R located approximately 2 in. from each end of length of channel. Both GypsumBoards at side joints fastened into channel with screws spaced 8 in. OC, approximately 1/2 in.from joint edge. May not be used with items 5B and 5C.

b. Steel Framing Members* — Resilient sound isolation clip used to attach furring channels(Item 7Aa) to studs. Clips spaced 24 in. OC., and secured to studs with No. 10 x 21/2 in.coarse drywall screw through the center hole. Furring channels are friction fitted into clips.



STUDCO BUILDING SYSTEMS — RESILMOUNT Sound Isolation Clips Type A237R

8. Lead Batten Strips — (Not Shown, For Use With Item 5B) Lead batten strips, min 11/2 in. wide, max 10 ft longwith a max thickness of 0.125 in. Strips placed on the interior face of studs and attached from the exterior face of thestud with two 1 in. long Type S12 pan head steel screws, one at the top of the strip and one at the bottom of thestrip. Lead batten strips to have a purity of 99.9% meeting the Federal specification QQL201f, Grade "C". Leadbatten strips required behind vertical joints of lead backed gypsum wallboard (Item 5B) and optional at remaining studlocations. Required behind vertical joints.

9. Lead Discs or Tabs — (Not Shown, For Use With Item 5B) Used in lieu of or in addition to the lead batten strips(Item 8) or optional at other locations Max 3/4 in. diam by max 0.125 in. thick lead discs compression fitted oradhered over steel screw heads or max 1/2 in. by 11/4 in. by max 0.125 in. thick lead tabs placed on gypsum boards(Item 5B) underneath screw locations prior to the installation of the screws. Lead discs or tabs to have a purity of99.9% meeting the Federal specification QQL201f, Grade "C".

10. Lead Batten Strips — (Not Shown, For Use With Item 5C) Lead batten strips, 2 in. wide, max 10 ft long with amax thickness of 0.142 in. Strips placed on the face of studs and attached to the stud with two min. 1 in. long min.Type S8 pan head steel screws, one at the top of the strip and one at the bottom of the strip or with one min. 1 in.long min. Type S8 pan head steel screw at the top of the strip. Lead batten strips to have a purity of 99.9% meetingthe Federal specification QQL201f, Grade "C". Lead batten strips required behind vertical joints of lead backedgypsum wallboard (Item 5C) and optional at remaining stud locations.

11. Lead Tabs — (Not Shown, For Use With Item 5C) 2 in. wide, 5 in. long with a max thickness of 0.142 in. Tabsfrictionfit around front face of stud, the stud folded back flange, and the back face of the stud. Tabs required at eachlocation where a screw (that secures the gypsum boards, Item 5C) will penetrate the steel stud. Lead tabs to have apurity of 99.9% meeting the Federal specification QQL201f, Grade "C". Lead tabs may be held in place with standardadhesive tape if necessary.

12. Wall and Partition Facings and Accessories* — (Optional, Not shown) — For use with Items 5 or 5A — Nominal1/2 in. thick, 4 ft wide panels, for optional use as an additional layer on one or both sides of the assembly. Panelsattached in accordance with manufacturer's recommendations. When the QR500 or QR510 panel is installed betweenthe steel framing and the UL Classified gypsum board, the required UL Classified gypsum board layer(s) is/are to beinstalled as indicated as to fastener type and spacing, except that the required fastener length shall be increased by aminimum of 1/2 in. Not evaluated or intended as a substitute for the required layer(s) of UL Classified Gypsum Board.

PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUM — Type QuietRock QR500 and QR510




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