2000 fire resistance design manual

8/11/2019 2000 Fire Resistance Design Manual

1/139


2/139

Copyright - 2000by

GYPSUM ASSOCIATION810 First Street NE, #510Washington, DC 20002

202-289-5440Fax: 202-289-3707www.gypsum.org

All rights reserved. No portion of this manual may be duplicatedwithout the express written permission of the Gypsum Association.

Limited permission is hereby granted to design professionals to selectivelyreproduce individual systems in the routine course of their design

work for inclusion in the plans and specifications for individual projects.


3/139

GA-600-2000 i

FOREWORD

The Gypsum Association FIRE RESISTANCE DESIGN MANUAL is referenced by thefollowing code and standards writing organizations:

INTERNATIONAL BUILDING CODE, published by:International Code Council, Inc.

(See footnote a, Tables 719.1a, 719.1b, and 719.1c)

BOCA NATIONAL BUILDING CODE, published by:Building Officials and Code Administrators International, Inc.4051 West Flossmoor RoadCountry Club Hills, Illinois 60478-5795

(See Chapters 7, 12, and 25, Commentary to the BOCA National Building Code)

UNIFORM BUILDING CODE, published by:International Conference of Building Officials5360 Workman Mill RoadWhittier, California 90601

(See footnote a, Tables No. 7-A, -B, and -C, and Appendix Section 1209)

STANDARD BUILDING CODE, published by:Southern Building Code Congress International, Inc.900 Montclair RoadBirmingham, Alabama 35213-1206

(See Section 701.4.2)

THE NATIONAL FIRE CODES, published by:National Fire Protection Association1 Batterymarch Park

P.O. Box 9101Quincy, Massachusetts 02269-9101

(See NFPA 90A, NFPA 101, NFPA 221, and the Life Safety Code Handbook)

The FIRE RESISTANCE DESIGN MANUAL is also referenced in the code documents ofmajor jurisdictions in the United States such as South Florida, Chicago, Los Angeles, NewYork City, and the State of New York. In addition, the Manual has been recognized in major

jurisdictions in Canada.


4/139

TABLE OF CONTENTS

ii GA-600-2000

PAGE

FOREWORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iiINTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ivSECTION I - USE OF THIS MANUAL AND GENERAL EXPLANATORY NOTES . . . . . . . . . . . . . . . 1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Description of Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1General Explanatory Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Testing Agencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

SECTION II - REQUIREMENTS FOR FIRE PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Fire Resistive Properties of Gypsum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Type X Gypsum Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Performance of Gypsum Plaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Fire Resistance Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Wall and Partition Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Area Separation Walls (Party/Fire Walls) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Floor-Ceiling and Roof -Ceiling Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Ceiling Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Beam, Girder, and Truss Protection Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Continuous Ceiling Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Individual Encasement Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Column Protection Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Fire Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Smoke Barriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Perimeter Relief and Control Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Surface Burning Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SECTION III - SOUND CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Sound Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Sound Transmission Loss Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Impact Noise Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

SECTION IV - OPENINGS FOR FIRE DOOR AND FIRE WINDOW FRAMES . . . . . . . . . . . . . . . . . . . 18General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Opening Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Frame Anchors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22F l o o r A n c h o r s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2

Wood or Composite Core Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Wall Framing for Header and Sill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Jamb Studs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Framing Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Application of Gypsum Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Special Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24G y p s u m B o a r d C a s e d O p e n i n g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4Openings for Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

SECTION V - LIMITING HEIGHTS (Nonload-Bearing) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26


5/139


6/139

iv GA-600-2000

INTRODUCTION

This Manual is a convenient anduseful specification aid for anyoneconcerned with the design, con-struction, or inspection of fire resis-tive and sound control systems. De-sign information is quickly and easilydetermined. Comparison of thesecharacteristics allows the user to be

more accurate in meeting designand code requirements. The dataprovided are especially useful tobuilders, architects, code officials,fire service, and insurance person-nel.

The systems in this Manual uti-lize gypsum products to provide fireresistance to walls, partitions, floor-ceilings, roof-ceilings, columns,beams, girders, and trusses. Sys-tems are classified according totheir typical uses and their fire-resis-

tance ratings. Walls, partitions, andfloor-ceiling systems are furtherclassified by Sound TransmissionClass (STC) or Field Sound Trans-mission Class (FSTC). The ImpactInsulation Class (IIC) is included formany wood framed floor-ceiling sys-tems.

WHERE THE WORD "PROPRI-ETARY" APPEARS IN SYSTEMDESCRIPTIONS EITHER THESYSTEM OR ONE OR MORE OFITS COMPONENTS IS CONSID-

ERED PROPRIETARY. EACHPROPRIETARY SYSTEM SHALLBE BUILT UTILIZING THE COM-PONENTS SPECIFIED BY THECOMPANY OR COMPANIES LIST-ED UNDER THE DETAILED DE-SCRIPTION FOR THAT SYSTEM.

ALL OTHER SYSTEMS AREGENERIC. GENERIC SYSTEMS

ARE APPLICABLE TO THE PROD-UCTS OF ANY MANUFACTURER,

WHETHER A MEMBER OF THEGYPSUM ASSOCIATION OR NOT,PROVIDED THE PRODUCTS

MEET THE APPROPRIATE STAN-DARDS LISTED IN SECTION I

AND, WHEN APPLICABLE, THEREQUIREMENTS SET FORTH INSECTION II.

To maintain industry-wide qualityassurance standards for gypsumboard defined in this Manual as"type X," the Gypsum Associationrequires that all companies listingproprietary tests or systems, or rely-ing on the generic systems in thismanual, shall subscribe to an on-

going third-party, in-plant product in-spection and labeling service. Addi-tionally, each member companymakes annual written certification tothe Gypsum Association that itsproducts manufactured for use insystems listed in this Manual contin-ue to be inspected and labeled byan independent third-party testingservice as listed on page 4.

Fire-resistance ratings, STCs,FSTCs, and IICs are the results oftests conducted on systems com-

posed of specific materials put to-gether in a specified manner. Sub-stitution of other materials or devia-tion from the specified constructioncould adversely affect performance.For example, if batt or blanket insu-lation is included in the detailed de-scription, then it is a required com-ponent of the system. In each sys-tem containing batt or blanket insu-lation the insulation is specified tobe either mineral or glass fiber and,for fire resistance, the system shall

be constructed using the type spec-ified. Mineral fiber or glass fibershall not be arbitrarily added tofloor-ceiling or roof-ceiling systemsto increase either STCs or R-values.This practice has been shown to re-duce the fire-resistance rating. Theaddition of up to 16 inches of 0.5pcf glass fiber insulation (R-40), ei-ther batt or loose-fill, to any 1- or 2-hour fire resistance rated floor-ceil-

ing or roof-ceiling system having acavity deep enough to accept the in-sulation is permitted provided that

one additional layer of either inchor 5/8 inch type X gypsum board isapplied to the ceiling. The addition-al layer of gypsum board shall beapplied as described for the facelayer of the tested system exceptthat the fastener length shall be in-creased by not less than the thick-ness of the additional layer of gyp-sum board.

The detailed descriptions for thesystems included in this Manual aresummaries. For complete informa-

tion on the systems or componentstested, the test report should be re-viewed. Details regarding genericsystems may be requested from theGypsum Association; details on pro-prietary systems are available fromthe companies listed for those sys-tems.

References to ASTM standards,CSA standards, CAN/ULC stan-dards, or other standards refer tothe respective standard in effect onthe date that the test was per-

formed. Each test reference con-tains the test report date.

The information in this Manual isbased on characteristics, properties,and performance of materials andsystems obtained under controlledtest conditions as set forth in the ap-propriate standards in effect at thetime of the test. The Gypsum Asso-ciation and its member companiesmake no warranties or other repre-sentations as to the characteristics,properties, or performance of any

materials or systems in actual con-struction. No warranty or represen-tation is made that any material orcomponent of any system, otherthan the gypsum material used insuch system, conforms to any stan-dard or standards.

NOTE: This Introduction consti-tutes an essential part of the sys-tem descriptions contained inSection VI. It is important that theuser be familiar with this introduc-tory material .


7/139

GA-600-2000 1

SECTION I

OVERVIEW

The systems are divided intofive major categories and listed inthe Table of Contents under theseheadings:

- Wall and Partition Systems- Floor-Ceiling Systems- Roof-Ceiling Systems- Column Protection Systems- Beam, Girder, and Truss

Protection SystemsIn the case of walls and parti-

tions, floor-ceilings, and roof-ceil-ings, noncombustible systems arelisted first, followed by wood-framedsystems. They are further subdivid-ed by fire-resistance rating startingwith one hour and increasing. STCs(or FSTCs) are listed in descendingorder. Where sound test data arenot available, estimated STCs arebased on evaluations of similar sys-tems for which test data are avail-able.

Each system has been assigneda reference number - the GA FileNumber. Cite this GA File Number inspecifications and on plans, or whenmaking inquiries about specific sys-tems.

All system descriptions contain abrief list of the major components ofthe system followed by a more de-

tailed description. The detailed de-scriptions of interior systems beginwith the material exposed to the testfire and its method of attachment,followed by a description of theframing members and their methodsof installation. Finally, the unex-posed side and its method of attach-ment is described.

Where unsymmetrical systemswere tested from one side only, theside exposed to the test fire is indi-cated by the words "Fire Side" onthe system detail. When documen-tation is available to show that thewall was tested with the least fire-re-sistive side exposed to the test fire,the wall need not be subjected totests from the opposite side and a"Fire Side" is not specified. All floor-ceiling and roof-ceiling systemswere tested with fire exposure on theceiling side.

When mineral or glass fiber insu-lation was a basic component of afire tested system, it is included inthe description as an integral part ofthe system. The insulation thick-ness, type, and density are de-scribed, and both the fire and sounddetails show fibrous insulation. If theinsulation was used solely to in-crease the STC, the fibrous insula-tion is shown only in the sound de-tail. When the insulation is not need-ed for the fire-resistance rating, butis used to improve the STC of thesystem, the last sentence of the de-tailed description states, "Sound

tested with [mineral] [glass] fiber in-sulation." (See General ExplanatoryNotes 10, 11, and 12 on page 3.)

Unless indicated otherwise, allload-bearing wood stud systemswere tested while being subjected tothe maximum load allowed by de-sign under nationally recognized de-sign criteria at the time of the test.Due to an increase in the maximumallowable loading in the National

Design Specifications (1982 andlater editions), the American Forestand Paper Association issued the

following statement:Where a load-bearing firerated wood stud wall assem-bly contained in this Manual isspecifically designed for struc-tural capacity, the designvalue in compression parallelto grain adjusted for slender-ness ratio (F c ') used in suchanalysis shall be taken as 78percent of the maximum F c 'value determined in accor-dance with normal design

practice but shall not exceed78 percent of the F c ' value forsuch member having a slen-derness ratio (l e /d) of 33.

DESCRIPTION OF TERMS USEDIN THIS MANUAL

Gypsum Board - defined in ASTMC 11, Standard Terminology Re-lating to Gypsum and RelatedBuilding Materials and Systems,as "the generic name for a familyof sheet products consisting of anoncombustible core primarily ofgypsum with paper surfacing."Gypsum board may be furtherdescribed as follows:Regular Gypsum Board - a gyp-

sum board with naturally oc-curring fire resistance fromthe gypsum in the core;

Type X Gypsum Board - a gyp-sum board with special coreadditives to increase the nat-ural fire resistance of regulargypsum board;

Improved Type X Gypsum Board- specially formulated gypsumboard, meeting all the re-quirements of type X gypsumboard, with additional propertiesto further enhance the fire resis-tive characteristics of the prod-uct for use in some proprietarysystems; or

NOTE: Listing of a system in aspecific category in this Manual isnot intended to limit its use to thatcategory (see General Explanato-ry Note #13 on page 3). However,this shall not be interpreted to im-ply that vertical systems, such aswalls and partitions, are permittedto arbitrarily be used in a hori-zontal orientation. In addition, the

manufacturer shall be consultedfor other products which satisfythe fire and sound requirementsshown for the systems.

USE OF THIS MANUAL ANDGENERAL EXPLANATORY NOTES


8/139

2 GA-600-2000

Proprietary Type X GypsumBoard - a fire-resistive gyp-sum board that is manufac-tured by the companies listedin each proprietary system.These gypsum boards are ei-ther type X or improved typeX. Consult the manufacturerof the proprietary type X gyp-

sum board in each system todetermine which type is re-quired.

Limited Load-Bearing - this meansthat a constant superimposedload was applied to the testspecimen throughout the firetest to simulate a design load lessthan 78% of the maximum allow-able design load.

Load-Bearing - unless otherwisenoted in the detailed description,this means that a constant su-

perimposed load was applied tothe test specimen throughout thefire test to simulate 78% or moreof the maximum allowable de-sign load.

Mineral Fiber - refers to either rockor slag wool products.

Metal Studs - refers to nominal 25gage steel studs and runners(track) manufactured to complywith ASTM C 645 unless other-wise specified in the detailed de-scription.

(NLB) - nonload-bearing.

GENERAL EXPLANATORYNOTES

1. All dimensions, weights, tem-peratures, and pressures are inU.S. customary units. For com-monly used metric (SI) conver-sions refer to the Appendix onpage 131 and IEEE/ASTMSI 10-1997, Standard for Useof the International System ofUnits (SI): The Modernized Met-ric System.

2. Nails shall comply with ASTMF547 or ASTM C514. Othernails, suitable for the intendeduse, and having dimensions notless than those specified in thisManual shall be permitted assubstitutions.

3. Fasteners installed along theedges of gypsum board shall beplaced along the paper boundedges on the long dimension ofthe board. Fasteners at the endshall be placed along mill orfield cut ends on the short di-mension. Fasteners on theperimeter of the board shall be

placed along both edges andends.4. Screws meeting ASTM C 1002

or ASTM C 954 shall be permit-ted to be substituted for the pre-scribed nails, one for one, whenthe length and head diameter ofthe screws equal or exceedthose of the nails specified in thetested system and the screwspacing does not exceed thespacing specified for the nails inthe tested system.

5. Vertically applied gypsum boardshall have the edges parallel toframing members. Horizontallyapplied gypsum board shallhave the edges at right anglesto the framing members. Inter-mediate vertical framing mem-bers are those between the ver-tical edges or ends of the board.

6. Unless otherwise specified, theface layers of all systems, ex-cept those with predecorated ormetal covered surfaces, shall

have joints taped (minimumLevel 1 as specified in GA-214,Levels of Gypsum Board Finish)and fastener heads treated.Base layers in multi-layer sys-tems shall not be required tohave joints taped.

7. When a fire-resistance ratedpartition extends above the ceil-ing, the gypsum board joints oc-curring above the ceiling neednot be taped when all of the fol-lowing conditions are met.

a. The ceiling is part of a fire-resistance rated floor-ceil-ing or roof-ceiling system;

b. All vertical joints occur overframing members;

c. Horizontal joints are eitherstaggered 24 inches o.c. onopposite sides of the parti-tion, or are covered withstrips of gypsum board notless than 6 inches wide; orthe partition is a two-plysystem with joints stag-gered 16 inches or 24 inch-

es o.c.; andd. The partition is not part of a

smoke or sound control sys-tem.

Where joint treatment is discon-tinued at or just above the ceil-ing line, the vertical joint shall becross taped at this location toreduce the possibility of jointcracking.

8. Metallic outlet boxes shall bepermitted to be installed in woodand steel stud walls or partitionshaving gypsum board facingsand classified as two hours orless. The surface area of indi-vidual boxes shall not exceed16 square inches. The aggre-gate surface area of the boxesshall not exceed 100 squareinches in any 100 square feet.Boxes located on oppositesides of walls or partitions shallbe in separate stud cavities andshall be separated by a mini-mum horizontal distance of 24

inches. Approved nonmetallicoutlet boxes shall be permittedas allowed by local code.

9. Water-resistant gypsum back-ing board shall be installed overor as part of the fire-resistancerated system in shower and tubareas to receive ceramic orplastic wall tile or plastic fin-ished wall panels. When fire orsound ratings are necessary,the gypsum board required forthe rating shall extend down to

the floor behind fixtures so thatthe construction will equal thatof the tested system. (See Fig-ure 1.)


9/139

Figure 1Section Through Typical One-Hour System

GA-600-2000 3

10. When not specified as a compo-nent of a fire tested wall or par-tition system, mineral fiber,glass fiber, or cellulose fiber in-sulation of a thickness not ex-ceeding that of the stud depthshall be permitted to be addedwithin the stud cavity.

11. In floor-ceiling or roof-ceiling

systems, the addition or dele-tion of mineral or glass fiber in-sulation in ceiling joist spacescould possibly reduce the fire-resistance rating. The additionof up to 16 inches of 0.5 pcfglass fiber insulation (R-40), ei-ther batt or loose-fill, to any 1- or2-hour fire resistance ratedfloor-ceiling or roof-ceiling sys-tem having a cavity deepenough to accept the insulationis permitted provided that one

additional layer of either inchtype X or 5/8 inch type X gypsumboard is applied to the ceiling.The additional layer of gypsumboard shall be applied as de-scribed for the face layer of thetested system except that thefastener length shall be in-creased by not less than thethickness of the additional layerof gypsum board.

12. In each system containing battor blanket insulation the insula-tion is specified to be either min-eral or glass fiber and, for fireresistance, the system shall bebuilt using the type specified.

13. Althou gh the syste ms arearranged in general groupings(i.e. walls and interior partitions,

floor-ceilings, roof-ceilings,etc.), this is not intended to limittheir use only to the specific cat-egory in which they are listed.For example, systems listed asshaft walls shall be permitted tobe used as interior partitions.However, systems tested verti-cally (walls and partitions) shallnot be permitted to be arbitrarilyused in a horizontal orientation.

14. Metal studs and runners arenominal 25 gage unless other-

wise specified.

15. Greater stud sizes (depths)shall be permitted to be used inmetal- or wood-stud systems.Metal studs of heavier gagethan those tested shall be per-mitted. The assigned rating ofany load-bearing system shallalso apply to the same systemwhen used as a nonload-bear-

ing system. Indicated stud spac-ings are maximums.16. Specified floor-ceiling and roof-

ceiling framing sizes or truss di-mensions are minimums.Greater joist or truss sizes(depths) shall be permitted to beused in metal- or wood-framedsystems. Indicated joist andtruss spacings are maximums.

17. Within design limitations, thedistance between parallel rowsof studs, such as in a chase

wall, shall be permitted to be in-creased beyond that tested.

18. Systems tested with metal fur-ring channels attached directlyto the bottom chords of steelbeams, bar joists, or woodtrusses or framing shall be per-mitted to be suspended. Gener-ally, furring channels are at-tached to 1 inch cold rolledcarrying channels 48 inches o.c.suspended from joists by 8gage wire hangers spaced not

greater than 48 inches o.c.19. Floor-ceiling and roof-ceiling

systems were fire tested at lessthan 36 inches total depth. How-ever, the total depth of the sys-tems, with either directly at-tached or suspended ceilingmembranes, shall be permittedto extend greater than 36 inch-es.

20. Where laminating compound isspecified, taping, all-purpose,and setting type joint com-pounds shall be permitted.

21. Additional layers of type X orregular gypsum board shall bepermitted to be added to anysystem.


10/139

4 GA-600-2000

TESTING AGENCIES

Each detailed description is ac-companied by a cross-section detailof the system. Also included is de-sign information giving total thick-ness, limiting height where appropri-ate, and approximate weight of thesystem in pounds per square foot.Fire and sound test references iden-

tifying the agency which certified thetest as well as a report number anddate are also provided (see Tables Iand II).

TABLE IFIRE TESTING AGENCIES

BMS Building Materials & Struc-tures, National Bureau ofStandards (now National In-stitute of Standards andTechnology)

CTC Commercial Testing Compa-

ny

FM Factory Mutual ResearchCorporation

GET George E. Troxell, P.E., Con-sulting Engineer

ITS Intertek Testing Services NAInc.

NBS National Bureau of Stan-dards (now National Instituteof Standards and Technolo-gy)

OPL Omega Point Laboratories,Inc.

OSU The Ohio State University

PCA Portland Cement Association

SFT Standard Fire Test, Fire Pre-vention Research Institute

SWRI Southwest Research Insti-tute

UC University of California

UL Underwriters Laboratories

Inc.ULC Underwriters' Laboratories of

Canada

WHI Warnock Hersey, Inc. (nowIntertek Testing Services NAInc.)

TABLE IISOUND TESTING AGENCIES

ACI Acoustical Consultants, Inc.

ASL Acoustic Systems Acousti-cal Research Facility

BBN Bolt, Beranek, and New-man, Inc.

BGL British Gypsum Limited

BMS Building Materials & Struc-tures, National Bureau ofStandards (now NationalInstitute of Standards andTechnology)

CK Cedar Knolls AcousticalLaboratories (now NoiseUnlimited, Inc.)

DRC Domtar Research Center

G&H Geiger and Hamme

INTEST International AcousticalTesting Laboratories

KAL Kodaras Acoustical Labora-tories (now Electrical Test-ing Laboratories, ETL)

KG Kaiser Acoustical Laborato-ries

NBS National Bureau of Stan-dards (now National Insti-tute of Standards and Tech-nology)

NGC National Gypsum Compa-ny's Gold Bond AcousticalLaboratories (now NGCTesting Services)

NRCC National Research Councilof Canada

OR Ohio Research Corporation

RAL Riverbank Acoustical Labo-ratories

SA Shiner & Associates

USG United States GypsumCompany Acoustical Re-search Center

WEAL Western Electro AcousticalLaboratory, Inc.

WHl Warnock Hersey, Inc. (nowIntertek Testing ServicesNA Inc.)


11/139

PRODUCT IDENTIFICATION

All gypsum products are identi-fied with the manufacturer's nameand trademark. The thickness andtype of gypsum board are shown onthe end bundling tape or on theboard. Ready-mixed joint com-pounds are identified on the con-tainer. Bagged products are identi-

fied on the bag. ASTM and CSA standard prod-

uct specifications are shown inTable III.

TABLE III

APPLICABLE PRODUCT STANDARDS

GA-600-2000 5

Product

Gypsum Plasters

Gypsum Wallboard

Gypsum Lath

Gypsum Sheathing Board

Gypsum Backing BoardGypsum Coreboard

Gypsum Shaftliner Board

Joint Compound

Nails for the Application ofGypsum Board

Gypsum Veneer Plaster

Gypsum Base for VeneerPlasters

Water-Resistant GypsumBacking Board

Nonstructural Steel FramingMembers

Metal Lath

Exterior Gypsum Soffit Board

Steel Drill Screws for the Application of Gypsum PanelProducts or Metal PlasterBases to Steel Studs from0.033 in. (0.84 mm) to0.112 in. (2.84 mm) inThickness (Type S-12)

Load-Bearing (Transverse and Axial) Steel Studs, Runners(Tracks), and Bracing or

Bridging for Screw Applicationof Gypsum Panel Productsand Metal Plaster Bases

Predecorated Gypsum Board

Steel Drill Screws for the Application of Gypsum PanelProducts or Metal PlasterBases (Types G, W, and S)

Accessories for GypsumWallboard and GypsumVeneer Base

Glass Mat Gypsum Substratefor Use as Sheathing

Glass Mat Water-ResistantGypsum Backing Panel

Fiber Reinforced GypsumPanels

Gypsum Ceiling Board

Gypsum Board

ASTM CSA

C 28 A82.22-M

C 36 A82.27-M

C 37 A82.27-M

C 79 A82.27-M

C 442 A82.27-MC 442 A82.27-M

C 442

C 475

C 514

C 587 A82.22-M

C 588 A82.27-M

C 630 A82.27-M

C 645C 847

C 931 A82.27-M

C 954

C 955

C 960 A82.27-M

C 1002

C 1047

C 1177

C 1178

C 1278

C 1395

C 1396

ASTM Specification C 1396 is a consolidation of existing ASTM Standards C36, C 37, C79, C442, C588, C630,C 931, and C 1395.

NOTE:

ASTM Standards are available from: ASTM100 Barr Harbor DriveWest Conshohocken, PA 19428-2959(610) 832-9585Fax: (610) 832-9555Website: http://www.astm.org

CSA Standards are available from:CSA International178 Rexdale Blvd.Etobicoke, Ontario M9W 1R3(416) 747-4000Fax (416) 747-2475Website: http://www.csa.ca


12/139

6 GA-600-2000

ABBREVIATIONS

ASTM

C&P

CSA

dBdia

DOC

est

FSTC

FSTL

ft

ga

galv

Hz

hr

IIC

In.

lab

Ib

mfr

mm

min

nom

NLB

o.c.

oz

pcf

psf

rev

sq

STCSTL

T&G

American Society for Testingand Materials

carpet and pad

Canadian Standards Associ-ation

decibelDiameter

U. S. Department of Com-merce

estimated

Field Sound TransmissionClass

Field Sound TransmissionLoss

foot

gage or gauge

galvanized

hertz (cycles/second)

hour

Impact Insulation Classifica-tion

inch

laboratory

pound

manufacturer

millimeter

minimum

nominal

nonload-bearing

on center

ounce

pounds per cubic foot

pounds per square foot

revised

square

Sound Transmission ClassSound Transmission Loss

tongue and groove

Abbreviations used in thisManual are shown in Table IV (alsosee Tables I and II).

TABLE IVABBREVIATIONS


13/139

GA-600-2000 7

SECTION II

REQUIREMENTS FORFIRE PROTECTIONFIRE RESISTIVE PROPERTIESOF GYPSUM

Gypsum is approximately 21 per-cent by weight chemically combinedwater which greatly contributes to itseffectiveness as a fire resistive bar-rier. When gypsum board or gypsumplaster is exposed to fire, the wateris slowly released as steam, effec-tively retarding heat transmission(Figure 2). It can, in a sense, becompared to what happens when ablowtorch is turned on a block of ice.

Although the ice is being melted,one can hold a hand on the oppositeside without being burned. Eventhough the ice gets very thin it effec-tively blocks the transfer of the in-tense heat and one's hand wouldnot be burned until the ice is melted.

When gypsum-protected woodor steel structural members are ex-posed to a fire, the chemically com-bined water being released assteam acts as a thermal barrier untilthis slow process, known as calcina-

tion, is completed. The temperaturedirectly behind the plane of calcina-tion is only slightly higher than that

of boiling water (212F), which issignificantly lower than the tempera-ture at which steel begins losingstrength or wood ignites. Once cal-cination is complete, the in-placecalcined gypsum continues to act asa barrier protecting the underlyingstructural members from direct ex-posure to flames.

TYPE X GYPSUM BOARD

ASTM C 36 describes two typesof gypsum board - regular and type

X - each providing a different degreeof fire resistance. Where fire-resis-tance rated systems are specified,type X gypsum board is typically re-quired to achieve the rating. Type Xgypsum board is defined in ASTMC 36 as gypsum board that providesnot less than one-hour fire resistance for boards 5/8 inch thick or notless than - hour fire-resistance rat-ing for boards inch thick, applied

parallel with and on each side ofload bearing 2x4 wood studsspaced 16 inches on center with 6d

coated nails, 1 inch long, 0.095 inchdiameter shank, inch diameterheads, spaced 7 inches on centerwith gypsum board joints staggered16 inches on each side of the parti-tion and tested in accordance withthe requirements of ASTM E 119.

In order to qualify for use ingeneric systems contained in thisManual, the Gypsum Associationalso requires that inch type Xgypsum board shall achieve a one-hour fire-resistance rating when ap-plied to a floor-ceiling system as de-scribed by GA File Number FC 5410on page 110.

Where inch or 1 inch gypsumboard is described as "type X" inproprietary systems contained inthis Manual, consult the manufactur-er to determine what specific prod-ucts are required.

Figure 2How Gypsum Retards Heat Transmission

AFTER TWO HOUR EXPOSURE TO HEAT FOLLOWINGTHE ASTM E 119 TIME-TEMPERATURE CURVE

Vertical line represents the plane of calcination at adepth of about 2". Temperature never greatly exceeds212F behind the plane of calcination.

Temperature of exposed surface = 1900F

Temperature 1" from exposed face = 950F



Temperature 6" from exposed face (at back surface) = 130F


14/139

8 GA-600-2000

PERFORMANCE OF GYPSUMPLASTER

Job performance of gypsumplaster systems can be affected byseveral factors such as: extremeweather conditions, poor or no ven-tilation, thermal shock, unusualframing or frame loading, etc. Pre -cautions shall be taken to prevent

these and other adverse conditions .Mix ratios such as 1:2 gypsum-

perlite, -vermiculite, or -sand areused to describe a mixture consist-ing of 100 pounds of gypsum plasterto 2 cubic feet of aggregate (3 cubicfeet where the ratio is given as 1:3).Many fire tests have been conduct-ed to show that 1:2 gypsum-vermi-culite mix may be substituted for 1:3gypsum-vermiculite mix in all fire-re-sistance rated systems. A 1:2 gyp-sum-perlite mix may be substitutedfor 1:3 gypsum-perlite mix in one-hour and two-hour rated systemsonly. Perlite and vermiculite shall bepermitted to be interchanged in one-hour and two-hour rated systems.

Plaster thicknesses are mea-sured from the face of the lath, re-gardless of the plaster base used.

FIRE RESISTANCE TESTS

All fire-resistance classificationsdescribed in this Manual are derivedfrom full-scale fire tests conductedin accordance with the requirementsof ASTM E 119 or CAN/ULC-S101(as amended and in effect on thedate of the test) by recognized inde-pendent laboratories. Fire-resis-

tance classifications are the resultsof tests conducted on systemsmade up of specific materials put to-gether in a specified manner.

There are a number of nationallyrecognized laboratories capable ofconducting tests to establish fire-re-sistance classifications according tothe procedures outlined in ASTME 119 or CAN/ULC-S101. The con-ditions under which tests are con-ducted are thoroughly detailed andthe fire-resistance classification isestablished as the time at whichthere is excessive temperature rise,passage of flame, or structural col-lapse. In addition, failure may resultbecause of penetration by the pres-surized hose stream required in thefire test procedure for walls.

With reference to all tested sys-tems, ASTM E 119 states:

It is the intent that classifica-tions shall register perfor-

mance during the

period of exposureand shall not be con-strued as having de-termined suitabilityfor use after fire ex-posure.

Comprehensive re-search by fire protectionexperts has determinedthe average com-bustible content normal-ly present within anygiven occupancy. In ad-dition, evacuation times,the time required for the

contents to be consumed by fire,and the resulting temperature risehave been quantified. Fire-resis-tance requirements are establishedaccordingly in building codes andsimilar regulations.

In ASTM E 119 fire tests, wall,ceiling, column, and beam systemsare exposed in a furnace which

reaches the indicated average tem-peratures at the time stated in thestandard time-temperature curve(Figure 3) and Appendix X1 of

ASTM E 119. The unexposed sur-face of all systems refers to the sur-face away from the fire during a test.The exposed surface refers to thesurface facing the fire.

WALL AND PARTITIONSYSTEMS

All walls and partitions tested

and classified are required to be atleast 100 square feet in area with noedge dimension less than nine feet.Surface temperatures on the unex-posed side of the test specimen aremeasured at a minimum of nine lo-cations.

When load-bearing walls andpartitions are tested, the appliedload is required to simulate theworking stresses of the design.

Walls and partitions are required

to stop flame or hot gases capableof igniting cotton waste. The aver-age temperature of the unexposedsurface is not permitted to increasemore than 250F above ambient noris any individual thermocouple per-mitted to rise more than 325Fabove ambient. A duplicate of thesystem (rated for one-hour fire re-sistance or more) is fire tested forone-half the specified fire-resistanceperiod, but no longer than one-hour,after which it is required to withstandthe impact, erosion, and cooling ef-fect of water under high pressurefrom a fire hose.

Figure 3Standard Time-Temperature Curve

(ASTM E 119)

Time, hr

T e m p e r a

t u r e ,

d e g .

F T em

p er a

t ur e

, d e g.

C


15/139

GA-600-2000 9

AREA SEPARATION WALLS(PARTY/FIRE WALLS)

Fire-resistance rated light-weightgypsum board systems (solid andcavity types) can serve as area sep-aration walls (also known as partywalls or fire walls) between adjacentwood frame and steel frame dwellingunits such as townhouses, condo-

miniums, and apartments; and incommercial and institutional build-ings. These walls are erected onefloor at a time, beginning at the foun-dation and continuing up to orthrough the roof. At intermediatefloors metal floor/ceiling track shallbe installed back-to-back to securethe top of the lower section of thepartition to the bottom of the nextsection being installed.

At intermediate floors and otherspecified locations the area separa-tion walls shall be attached to adja-cent wood or steel framing on eachside with aluminum clips that softenwhen exposed to fire (Figure 4). Ifone side of the structure becomesinvolved in a fire, the clips on the fireside allow collapse of the structureon that side. The clips on the otherside support the area separation wallkeeping it in place, thereby pro-tecting the adjacent structure. Con-sult gypsum board manufacturer forclip detail, placement, and height

limitations.

FLOOR-CEILING AND ROOF-CEILING SYSTEMS

Floor-ceiling and roof-ceilingsystems tested and classified arerequired to be a minimum of 180square feet in area with their short-est edge dimension not less than 12feet. The system is required to sus-tain the design load throughout thetest and not permit the passage ofeither flame or hot gases capable ofigniting cotton waste. Surface tem-peratures on the unexposed side ofthe test specimen are measured ata minimum of nine locations. Theaverage temperature of the unex-posed surface is not permitted to in-crease more than 250F above am-bient nor is any individual thermo-couple permitted to rise more than325F above ambient.

Ceiling Openings

Many fire-resistance rated floor-ceiling systems have been testedwith openings through the ceilingmembrane for air ducts, electricaloutlets, and lighting fixtures.

Building codes permit air ductopenings in most ceiling systemswhen the air duct openings are pro-tected with approved ceilingdampers and permit unprotectedelectrical outlet openings such as 16square inch outlet boxes that areapproved for use in fire-resistancerated systems. The aggregate areaof all such openings shall not ex-ceed 100 square inches for any 100square feet of ceiling area.

Many approved recessed light-ing fixtures require special protec-tion. Consult the fire test report or

listing for the specific system forprotection details and the openingarea limitation.

Figure 4Typical Gypsum Board Area

Separation Wall Construction


16/139

10 GA-600-2000

BEAM, GIRDER, AND TRUSSPROTECTION SYSTEMS

Beams are tested with superim-posed loads applied to simulate themaximum theoretical dead and liveloads permitted by nationally recog-nized design standards. A fire-resis-tance rating is established for a sys-tem when the test specimen sup-

ports the load during the test andmeets specific temperature require-ments for the prescribed period.Beams, girders, and trusses shall beprotected by either (1) a continuousceiling membrane of either gyp-sum lath and plaster or gypsumboard or (2) enclosing them individ-ually.

Continuous Ceiling Protection

Building codes allow for the useof the gypsum board or gypsum lath

and plaster ceilings described in theFloor-Ceiling Systems portion of thisManual for beam or girder protec-tion. The complete floor-ceiling sys-tem shall provide no less than therating required for the structuralmember being protected.

If the bottom of the beam projects 6 inches or less below theplane of the ceiling, the ceiling isfurred down and around the beam(Figure 5). If the projection is greaterthan 6 inches, the gypsum board orlath and plaster beam protectionsystem shall extend from the ceilingto the floor above. (See IndividualEncasement Protection.)

A ceiling used as membranefireproofing usually consists of eithergypsum board or gypsum plasterover gypsum or metal lath. Thesesystems may be either attached di-rectly to or suspended from the pri-mary structural elements. The test-ed assembly consists of the ceilingmembrane, beams, girders, joists,or trusses and the floor or roof decksystem above.

Individual EncasementProtection

Individual encasement of beams,girders, and trusses with gypsumlath and plaster or gypsum board(Figure 6) is permitted where one ormore of the following conditionsexist.

1. When the fire-resistance requirement for the beam, gird-er, or truss is greater than thefire-resistance requirementfor the floor-ceiling or roof-ceiling system being support-ed. Where there are relativelyfew three-hour or four-hourprotected beams or girders,and only a two-hour floor-ceil-ing requirement, it is general-ly uneconomical to use athree-hour or four-hour floor-ceiling system throughout , or

2. When either no ceiling is re-quired or a non-rated ceilingis used, or

3. When the bottom of the beamprojects greater than 6 inchesbelow the plane of the ceiling.

When structural members sup-

port more than one floor, or a floorand a roof, consult local buildingcodes for requirements.

Figure 5Membrane Protected Steel Beam - Continuous

Figure 6Steel Beam - Individual Encasement Protection


17/139


18/139


19/139

GA-600-2000 13

SURFACE BURNINGCHARACTERISTICS

The test method used to estab-lish surface burning characteristicsis ASTM E 84 or CAN/ULC-S102,commonly referred to as the TunnelTest. This test measures the relativeflame spread and relative amount ofsmoke generated by the materialbeing tested when compared to in-

organic reinforced cement boardand red oak flooring. Table V liststypical surface burning characteris-tics for gypsum products as well asthe standard materials referenced inthe test method.

Surface burning characteristicsare intended to be used as a guidein the selection and use of interiorfinish materials and are obtainedunder controlled laboratory condi-tions.

TABLE VSURFACE BURNINGCHARACTERISTICS

FLAME SMOKESPREAD DEVELOPED

Inorganic ReinforcedCement Board 0 0

Gypsum Plaster 0 0

Glass Mat GypsumSubstrate for Useas Sheathing 0 0

Fiber ReinforcedGypsum Panels 5 0

Gypsum Lath 10 0

Gypsum Wallboard 0-15 0

Gypsum Sheathing 15-20 0

Red Oak 100 100

Figure 10Control Joint Details

(WHI-651-0318-1, 3/20/90; UL R4024, 96NK13566, 7/29/96)

Wood-Framed Noncombustible

1-Hour 1-Hour

2-Hour 2-Hour


20/139

14 GA-600-2000

SOUND INSULATION

The first essential for airbornesound insulation using any systemis to close off air leaks and/or flank-ing paths by which noise can gothrough or around the system. Smallcracks or holes will increase thesound transmission at the higherfrequencies. This can have a detri-mental effect on the overall acousti-cal performance and the STC, par-ticularly for higher rated systems.Failure to observe special construc-tion and design precautions can re-duce the effectiveness of the bestplanned sound control methods.

Systems shall be airtight. Re-cessed wall fixtures, such as medi-cine cabinets or electrical, tele-phone, television, and intercom out-lets, that penetrate the gypsumboard shall not be located back-to-back or in the same stud cavity. Anyopening for fixtures or pipes shall be

cut to the proper size and sealed.The entire perimeter of a sound in-sulating system shall be made air-

tight to prevent sound flanking. Flex-ible sealant or an acoustical gasketshall be used to seal between theSTC rated system and all dissimilarsurfaces and also between the sys-tem and similar surfaces where pe-rimeter relief is required. TAPINGGYPSUM BOARD WALL ANDWALL-CEILING INTERSECTIONSPROVIDES AN ADEQUATE AIRSEAL AT THESE LOCATIONS.

ASTM E 497, Standard Practice forInstalling Sound-Isolating Light-weight Partitions, provides addition-al information. Consult the manufac-turer of the gypsum board for anyspecial recommendations.

Systems are grouped in rangesaccording to their Sound Transmis-sion Class (STC) or Field SoundTransmission Class (FSTC). The

higher ranges are shown first. All ofthe sound tests referenced wereconducted according to the require-

ments of ASTM E 90, for laboratorytests, or ASTM E 336, for field tests.The designer shall adhere to thespecified materials and constructiondetails for STC and FSTC rated sys-tems, particularly in plaster systems,because substitution of lightweightaggregates for sand, or reduction ofthe sand proportion, may reduce therating. ALL OPENINGS THROUGHTHE SYSTEM, AND ITS ENTIREPERIMETER, SHALL BE SEALED

AIRTIGHT.

SUBSTITUTING MECHANICALFASTENERS FOR ADHESIVES,OR THE USE OF MORE FASTEN-ERS, MAY AFFECT THE RATING.

Details of sound tests issued bysound testing agencies are on fileand a summary is available from theGypsum Association or the testsponsor.

Figure 11 shows three typical re-silient channel configurations.Where resilient channels are includ-

ed in systems, the resilient channelsare shown by a dashed line to dis-tinguish them from rigid furringchannels. Figure 12 distinguishesbetween standard constructionpractices and those practices rec-ommended for improved sound con-trol.

Figure 11Resilient Furring Channels

SECTION IIISOUNDCONTROL

Typical dimensions for all designs:Base metal thickness = nominal 25 gage

A = 1 1/4" minimumB = 7/16" minimumC = 1/2" minimum


21/139

GA-600-2000 15

"NORMAL" CONSTRUCTION ARROWS SHOWFLANKING PATHS

"SELECT" CONSTRUCTIONSEALING OF RELIEF DETAIL AT

PERIMETER OF PARTITION AND AROUNDCUT-OUTS TO PREVENT SOUND LEAKAGE

"PRE-DESIGN" CONSTRUCTIONSIMULATED LABORATORY

CONDITIONS

Figure 12Sound Isolation Construction

ELEVATIONUnder and over partitions

ELEVATIONFlexible sealant ELEVATION

PLANThrough-partition openings

outlet boxes PLAN

Sealing of openings through partitions

Void between box and gypsum board sealed

ELEVATIONTypical floor-ceiling or roof detail

PLANThrough-partition openings

outlet boxes PLANBoxes offset one stud space and sealing

of openings through partitions PLAN

Outlet box detail

PLANFlanking at partition-mullion intersection

PLANTypical partition-mullion intersection

PLANIntersection with exterior wall

PLANMetal Stud

Around-flanking partition ends PLAN

Intersection with interior wall PLAN

Typical partition intersection

Wood studsystem

Steel studsystem

Wood studsystem

Steel studsystem

Gasket impedes structural flankingthrough floor.

" perimeter reliefand sealant to sealagainst sound leaks

Electrical box withextension ring.

Offset boxes with extension rings and

sealed openings

Flexible sealant or tape







22/139

16 GA-600-2000

SOUND TRANSMISSIONLOSS TESTS

ASTM E 90, Standard Test Me-thod for Laboratory Measurement of

Airborne Sound Transmission Lossof Building Partitions, is the proce-dure for measuring the sound trans-mission loss (STL) in a laboratory.The STL is the difference between

the sound energy (sound pressurelevel) in a source room and a re-ceiving room when the two roomsare separated by the system beingtested.

ASTM E336, Standard TestMethod for Measurement of Air-borne Sound Insulation in Buildings,is the procedure to determine thefield sound transmission loss(FSTL) between two rooms underfield conditions.

The STL or the FSTL is mea-sured at 1/3 octave test frequencies(Hz) as follows and the sound trans-mission loss curve is plotted:

125 315 800 2000

160 400 1000 2500

200 500 1250 3150

250 630 1600 4000

A system's overall effectivenessin resisting the transmission of air-borne sound, whether it is a wall,

partition, or floor-ceiling, is reportedas a single number derived from ananalysis of the STL or FSTL curve.This rating is the Sound Transmis-sion Class (STC) or Field SoundTransmission Class (FSTC). ThisManual uses STC/FSTC ranges tomake comparing systems more sig-nificant.

ASTM E413, Classification forRating Sound Insulation, is themethod used to derive theSTC/FSTC from the STL/FSTLcurve. Using the rules stated in

ASTM E 413, a reference contour isfitted to the sound transmission losscurve. The STC/FSTC is the pointwhere the reference contour cross-es the 500 Hz line.

The reference contour, shown bythe dashed line in Figure 13, has aflat portion from 4000 Hz to 1250Hz. It drops 5 dB between 1250 Hzand 400 Hz, and 15 dB between 400Hz and 125 Hz. In fitting the refer-ence contour to the measuredcurve, the following conditions arerequired to be met:

1. The STL curve is not permit-ted to be greater than 8 dBbelow the reference contourat any test frequency, and

2. The sum of the dB differencesbetween the points on the ref-erence contour and thecorresponding points on theSTL curve at each of the testfrequencies is not permittedto be greater than 32 dB.

Some of the STC ratings in thisManual were derived according toslightly different standards in use

prior to 1970. For instance, ASTME 90-61T, the previous sound testprocedure, called for measurementsat octave frequencies, and therules for fitting the standard curvewere different.

The smallest dimension of thesystem tested in accordance with

ASTM E 90 is not permitted to beless than 7 feet, 10 inches and theminimum volume for each of thesound source and receiving roomsis 2,825 cubic feet. The system isconstructed to separate the sourceand receiving rooms, which are ar-ranged so that the only significantsound transmission is through the

test specimen.The source room contains one or

more sound sources, a diffusingsystem such as multiple stationaryand/or rotating reflectors, and micro-phones located to adequately sam-ple the sound field in the space. Asingle microphone on a rotatingboom may be optionally used. Thereceiving room is similarly equipped,except that the sound source(s) isused only to determine the reverber-ation time for correction purposes.

The sound measurements in bothrooms are made according to ASTME 90.

Research by recognized soundtest authorities indicates that theSTC's on unsymmetrical walls arenot affected by sound testing fromeither side. Therefore, the laboratorysound source side is not indicatedfor unsymmetrical systems in thisManual.

Figure 13STL Curve

Frequency (Hz)

Test Method: ASTM E 90

Deficiencies

S o u n

d t r a n s m

i s s

i o n

l o s s ,

d e c i

b e

l s


23/139


24/139

18 GA-600-2000

GENERAL

Openings in walls for fire doorframes and fire window frames shallbe coordinated between the archi-tect, the general contractor, the dry-wall contractor, and the frame sup-plier to ensure that installation de-tails for the wall and the frame areconsidered. These specificationsaddress only the preparation of theopening in the fire rated wall to re-ceive the frame. The installation in-structions supplied with frames varyand shall be followed to comply withlocal code requirements. All firedoor and fire window assembliesare required to be installed in accor-dance with ANSI/NFPA 80 and sub-

ject also to the conditions, limita-tions and/or allowances of their cer-tification label and listing. Refer toFigure 14 for illustrations of framesection terminology.

Frames are fire rated to different,but similar, test standards thanwalls. For doors, these include

ASTM E 152 (withdrawn by ASTMin 1995), CAN/ULC S104, NFPA252, UBC 7-2, UL-10B, and UL-10C. For windows, these include

ASTM E 163 (withdrawn by ASTMin 1995), CAN/ULC S106, NFPA257, UBC 7-4, and UL-9.

OPENING SIZES

The nominal width and height ofthe frame refer to the frame openingsizes to receive the door or the glaz-ing. The frame throat for steel oraluminum frames shall equal thewall thickness. Split section steel oraluminum frames are available withan adjustable throat. The jambdepth of wood or composite coreframes shall equal the wall thick-ness.

Maximum width, maximumheight, minimum throat, and/or min-imum jamb depth of a frame are lim-ited as a condition of the certificationlisting. Refer to listings publishedby Factory Mutual, WarnockHersey, Underwriters Laboratories

Inc., or Underwriter's Laboratories ofCanada.

Some frames require temporarybracing and installation of floor an-chors to the floor before the wall isstarted, while others require a roughopening be left in the completedwall. A frame shall be a knockdowntype for installation in a rough wallopening. A rough wall opening for aframe shall be sized to allow forclearances required for installation.These clearances vary for differentframes.

FRAMES

Each model of each manufactur-er's fire frame, door or window, re-quires specific conditions and limita-tions, including operating hardware.The frame anchoring system shallbe designed for use in gypsumboard partitions. Frames are avail-able for use with wood framing,steel framing, or solid or semi-solidgypsum board partitions as thin as 2inches.

Typical installations for varioustypes of frames to wall jamb framingare illustrated in Figures 15 through

24.

Figure 15Typical 20-, 30-, 45-, or 60-Minute Pressed Steel Frame Installation

With universal welded anchor in 1-hour rated stud wall with less than20 guage steel jamb studs - requires frame floor anchor installation

prior to or concurrent with wall jamb studs.

Figure 14Nomenclature for Typical Double-Rabbeted

Steel Frame Section

SECTION IVOPENINGS FOR FIRE DOOR ANDFIRE WINDOW FRAMES


25/139

GA-600-2000 19

Figure 18Typical 180-Minute Pressed Steel Frame Installation

With welded steel Z-anchors in 4-hour rated steel stud wall - requires frame fl oor anchor installation prior to or concurrent with wall jamb studs

Figure 17Typical 90-Minute Pressed Steel Frame Installation

With friction fit anchors in 2-hour rated steel stud wall - requires frame floor anchor installation prior to or concurrent with wall jamb studs


With universal welded anchors in 1-hour rated steel stud wall - requires frame floor a nchor installation prior to or concurrent with wall jamb studs

1/2" proprietarytype X gypsum board

Drywall screws spaced perwall rating requirements

2 1/2" deep (minimum),20 gage steel jamb stud

1/2" minimum gypsum boardpenetration behind frame faces

Welded steel Z-anchors

Minimum of two #6,3/8" long, self-tappingframing screws peranchor





5/8" type X gypsum board


5/8" type X gypsum veneer base


Minimum of two #6,3/8" long, self-tappingframing screws peranchor

Minimum of two #6, 3/8" long,self-tapping framing screwsper anchor

Universal welded steel studanchors, recessed 1/2" forstud and gypsum board

Drywall screws spaced per wallrating requirements

Gypsum veneer plaster,trowel cut at frame


Friction-fit or snap-inanchors, spaced per framerating requirements


26/139

Figure 19Typical 20-Minute Pressed Steel Frame InstallationWith compression anchor at top of jambs in 1-hour rated steel stud wall -

requires wall installation prior to frame floor anchors

20 GA-600-2000


With welded steel strap anchors in 1-hour rated wood stud wall - requires frame installationafter wood buck stud and before gypsum board installation

Figure 20Typical 90-Minute Roll-Formed Steel Frame Installation

With snap-on casing trim in 2-hour rated steel stud wall -requires frame installation to rough opening in wall

Wood jamb stud


Welded steel strap anchors

Fasteners through anchors perframe rating requirements








Drywall screws spaced perframe rating requirements

Allen-head alignment screw

Minimum 2" x 2" by 16 gagesteel bearing plate

Minimum of two #6, 3/8" long,self-tapping framing screws per anchor


Drywall fasteners spaced perwall rating requirements

Snap-on casing trim


Welded nut

Access hole

Retainer for casing trim



27/139

GA-600-2000 21

Figure 24Typical 20-Minute Split Section, Adjustable, Extruded Aluminum Frame

In 1-hour rated wall- requires frame installation to rough opening in completed wall

Figure 23Typical 20-, 30-, 45-, or 60-Minute Single Rabbeted, Wood or Composite Frame Installation

In 1-hour rated wood stud wall - requires frame installation to rough opening in wall

Figure 22Typical 20-, 30-, 45-, or 60-Minute Exterior Pressed Steel Frame Installation

With welded steel strap anchors in 1-hour rated wood stud wall - requires frame installationafter wood buck stud and before gypsum board and sheathing installation





Snap-on stop

Set of shims, spaced per framerating requirements


Casing trim fasteners spaced perframe rating requirements

Galvanized drywall fastenersspaced per wall rating

requirements


Wood jamb stud

Wood stud


Casing trim fasteners spaced perframe rating requirements

Wood buck stud

Frame anchor fasteners, perframe rating requirements

Trim

Drywall fasteners spaced perwall rating requirements

Fasteners at each set of shims

Snap-on casing trim

Drywall screws spaced perframe rating requirements

Self-tapping screws spaced perframe rating requirements

Insulation packed between shims

Casing trim

Caulk

Exterior cladding

Drywall fasteners spaced per wall rating requirements

Exterior cladding fastener

Caulk

Exterior trim fasteners

5/8" type X gypsum sheathing

Welded steel strap anchors


28/139

Figure 25Typical Welded Steel Z Anchor

22 GA-600-2000

FRAME ANCHORS

Neither clearance nor roughopening size applies to fully welded,hollow, steel frames, or to knock-down steel frames with concealedanchors or anchor clips within the

jambs; these frames (Figures 15through 18, 21, 22 and 30) shall betemporarily braced either before or

at the same time the wall is erectedaround the frame. Concealed jambanchors include those commonly re-ferred to as welded Z anchors (Fig-ure 25), friction fit anchors (Figure26), and welded steel strap anchorsfor nailing to wood studs. Jamb an-chors are usually spaced about 24inches on center or at each hinge el-evation and are used to attach theframe jamb to the wall jamb or buckframing. Friction fit anchors shall bespaced in accordance with the

frame installation instructions.

FLOOR ANCHORS

Some hollow steel door framesalso have concealed, welded, steelfloor anchors at the bottom of each

jamb section. 'U' anchors are pre-fastened to the floor as an alternateif required by the frame installationinstructions. Frame floor anchorsshall be secured to the floor whileaccessible before the floor runnerand jamb studs are installed for the

wall. Wood frames, some aluminumframes, composite frames, andsome steel frames do not use flooranchors.

Knockdown steel frames arealso available without jamb anchorsbut with a concealed, compressiontype, adjusting screw system at thetop of both jamb sections. Theseframes provide an access hole forsquaring to the door(s). No attach-ment is made to the wall. For theseframes, a minimum 0.060 inch thicksteel bearing plate shall be installedat the top of each jamb stud web foreach alignment screw (Figure 19).

Roll formed, 3 piece, slip on,knockdown, light gage steel or ex-truded aluminum frames are alsoavailable for screw or nail attach-ment through the face of the frameand gypsum board to the jamb studand header track on both sides ofthe wall. These screws or nails shall

be spaced in accordance with theframe installation instructions andshall be concealed with a casingtrim (Figure 20).

Each gypsum board layer shallextend a minimum of inch behindthe face of each steel or aluminumframe on both sides of the wall afterinstallation is completed. Frame an-chors shall be fabricated or suppliedto avoid notching the gypsum boardat each anchor. The frame suppliershall consider the framing depth,wall thickness, and the number oflayers and thicknesses of gypsumboard on each side of the framing.

Any additional materials, such asexterior claddings, tile, gypsum plas-ter, or portland cement plaster to berecessed behind the face of theframe, shall also be considered(Figure 22).

WOOD OR COMPOSITECORE FRAMES

Wood or composite core frames(Figure 23) are shimmed with spac-ers for squaring and alignment fromthe buck framing jambs in the roughwall opening, then secured withnails or screws spaced in accor-dance with the frame installation in-structions. Any shim space exceed-ing inch between the frame andthe buck framing shall be packedwith insulation or heat absorbingmaterials in accordance with theframe installation instructions. Cas-ing trim shall be installed over thegypsum board to the buck framingand to the frame face with nails orscrews spaced in accordance withthe frame installation instructions.Most of these frames also requirescrews through hinges and strikesto the buck framing jambs. Refer tothe frame installation instructions.

Figure 26Typical Friction Fit Steel Anchor

3/4" minimum3/4" minimum

5/8"

Jamb depth minus 3/16",1/2" maximum

Face dimension minusframe metal thickness

1 1/2" minimum,stud depth maximum

Gypsum board thicknessplus backbend

Face dimension minusframe metal thickness

3/4" minimum

Jamb depth minus 3/16",1/2" maximum

1 1/2" minimum,stud depth maximum

3/4" minimum

Welded flange

Screw attachment flange

Gypsum board thicknessplus backbend


29/139

GA-600-2000 23

WALL FRAMING FOR HEADERAND SILL

Head members and any sillmembers of frames are usually at-tached to wall framing members bymethods similar to jamb members.However, some frames with jamb an-chors do not have anchors in thehead or sill sections. Header or sill

wall framing members are nailed orscrewed to the wall jambs beforegypsum board is installed. Fasten-ers shall be driven through the webof intersecting framing members toavoid increasing wall thickness.(Figures 27 and 28). For walls with

taped and finished gypsum board joints, studs shall be provided abovethe header and below any raised sillso that gypsum board joints are atleast 8 inches from the corners ofthe opening and staggered on oppo-site sides of the wall. For bearingwalls, buck jamb members shall besized and used at the sides of anopening to block and support theends of sills, lintels, or headers (Fig-ure 28). For service countertops,wall sill framing construction shallbe in accordance with the installa-tion instructions furnished with thecountertop.

JAMB STUDS

Wall jamb studs shall span frombottom plate or runner to top plate orrunner (Figures 27 and 28). Wall

jamb studs shall be selected to sus-tain transverse loads (including theopening area), to sustain any axiallyapplied loads, and to avoid exceed-ing design stresses in framing mem-

bers. Jamb members shall be dou-bled (Figure 15) or used in multiplesas required.

Figure 27Typical Door Opening Detail in Nonload-Bearing, Steel-Framed Wall

Figure 28Typical Door Opening in Load-Bearing, Wood-Framed Wall

Upper top plate

Lower top plate

Bottomplate

* Locate gypsum board joints 8" minimum fromcorners of opening and

staggered to differentstuds on opposite sides.

Header

SubfloorFloor joist

or plate

Opening buck stud

Wall jamb stud

Wall studs, 24" o.c. maximum

* Locate gypsum board joints 8" minimum fromcorners of opening and

staggered to differentstuds on opposite sides.

Minimum 25 gage steel top trackMinimum 25 gage steel wall studs, 24" o.c. maximum

Minimum 25 gagesteel bottom track

Minimum 20 gage steelheader track with legscut and web bent 90

Minimum 20 gagesteel jamb stud

Subfloor

Floor joistor plate

Headertrack

Framingscrews


30/139

24 GA-600-2000

FRAMING MATERIALS

The jamb, sill, or head membersof wood wall framing shall complywith DOC Voluntary Product Stan-dard PS 20, American SoftwoodLumber Standard. Wood framingshall be not less than nominal 2 x 4.Steel wall framing for jamb, sill, orhead members shall comply with

ASTM C 645. Steel studs used sin-gly at wall jambs and steel trackused singly at the header or sill shallhave a minimum uncoated basesteel thickness of 0.0329 inches (20gage). Steel framing for wall open-ings shall have a minimum depth of2 inches.

APPLICATION OF GYPSUMBOARD

Gypsum board shall be appliedas described for the rated wall de-sign.

SPECIAL USE

Doors to be employed frequentlyand sometimes abusively, such asfor hospitals or schools, use up to0.060 inch thick steel wall framingmembers around the opening.Heavy security doors, X-ray roomdoors, and STC rated doors some-times use floor mounted pivots. Thedesigner shall specify wall framingthickness and the door frame or win-dow frame based in part on the an-ticipated severity of use, on operat-ing hardware, and on the weight,height, and width of the door(s) orglazing.

GYPSUM BOARD CASED OPEN-INGS

Horizontal sliding doors and ver-tical rolling doors permit a gypsumboard cased opening (Figure 29) ifallowed by the door installation in-structions or listing limitations. If ametal wall casement frame is de-sired by the designer, it shall bespecified. Steel wall framing shallmeet the minimum steel thicknesslimitation in the certification listingfor the door(s).

OPENINGS FOR ELEVATORS

Elevator entrance door framesshall be installed in accordance withthe certification listing limitationsand with the frame installation in-structions, which vary betweenmanufacturers. These are usuallyflat web casement frames withoutstops or reinforcements for operat-

ing hardware, but may includenotches along the shaft side jambbackbend for binders. Framing sup-port for the doors and operatinghardware are independent from thewall entrance frame. Flanges areusually provided along the shaftside of the head to maintain clear-ances for door operation and smokegasketing seals by engaging thestructural support framing for thedoors. (Figures 30 and 31).

Figure 29Typical 90 Minute Gypsum Board Cased Opening for

Sliding or Rolling Doors in 2-Hour Rated Wall

2 1/2" deep minimum,20 gage steel jamb stud

Drywall screws, spaced perwall rating requirements

5/8" type X

gypsum board Joint compound

Metal corner bead


31/139

GA-600-2000 25

Figure 31Typical 90-Minute Pressed Steel Frame for Elevator Entrance Doors

In 2-hour rated steel stud/gypsum board shaftwall - requires frame floor anchor installation prior to or concurrent with wall jamb runners

Figure 30Typical 90-Minute Pressed Steel Frame for Elevator Entrance Doors

In 2-hour rated steel stud/gypsum board shaftwall - requires frame floor anchor installation prior to or concurrent with wall jamb runners

Note: Entrance door frame is interlocked with structuralbeam for doors to reduce clearance variation due to

presure changes during operation of elevator.

Proprietary type Xgypsum board

Welded zee anchors

Minimum of two #6 Type S-12drywall screws through zeeanchor, gypsum board filler,and J-runner

1/2" or 5/8" proprietarytype X gypsum board

12" minimum filler ofgypsum board liner

panel

1/2" minimum gypsum board penetrationbehind frame faces

20 gage J-runner


1 1/2" Type G drywall screws, 24" o.c.

3/4" or 1" proprietarygypsum board liner


Minimum of two #6 by 3/8" long,self-tapping framing screws perwelded Z-anchor, or equal

Gypsum board filler

Gypsum shaftliner board

Drywall screws per wallrating requirement

Screws per wallrating requirement


32/139

TABLE VlMaximum Stud Height 1, ft-in. (mm), Single Layer in. (12.7 mm) Thick Gypsum Board 2

on Each Side of Minimum 0.0179 in. (0.455 mm) Base Metal Thickness Steel StudsSpaced 24 in. (610 mm) o.c. 3,4

26 GA-600-2000

A higher degree of deflection re-sistance may be desirable for someapplications than for others, i.e., of-fices and institutional buildings vs.industrial buildings. Therefore, lowerlimiting heights than those basedstrictly on deflection and stress cri-teria may be justified to satisfy occu-pant concerns regarding partitiondeflection or vibration.

SECTION VLIMITING HEIGHTS(Nonload-Bearing)

STUD DEPTH LATERAL PRESSUREin. (mm) DEFLECTIONIndus t ry LIMIT 5 psf 7.5 psf 10 psf

Designator 5 (240 Pa) (360 Pa) (480 Pa)

Limiting height tests have beenconducted on nominal 25 gage steelstuds (minimum 0.0179 inch basemetal thickness) complying with

ASTM C 645 and nominal 20 gagesteel studs (minimum 0.0329 inchbase metal thickness) complyingwith ASTM C 955. Maximum studheights shall be as specified in Ta-bles VI and VII. Where base metalthicknesses are unknown orknown to be less than 0.0179inch, for 25 gage studs, or lessthan 0.0329 inch, for 20 gagestuds, consult the metal studmanufacturer for limiting

heights.Maximum height limitations

are given for some nonload-bearing partitions. In instanceswhere no limiting height isgiven for special purpose parti-tions, such as movable or shaftwall systems, the manufacturershall be consulted.

Criteria used to evaluatetransverse load tests, conduct-ed to determine maximum

heights, are 5 pounds persquare foot for both stress anddeflection requirements with adeflection limitation of height di-vided by 120, for gypsum boardand high strength gypsum ve-neer finishes, and height divid-ed by 240, for either gypsum ormetal lath and gypsum plaster.For rigid finishes, such as ce-ramic tile, deflection shall belimited to L/360, based on studstrength only.

Limiting heights exceedingthose shown may be obtainedby using deeper studs, byspacing the studs closer to-gether, by using heavier gagestuds, by increasing gypsumboard thickness, or by addingadditional layers of gypsumboard. Tables VI and VII maybe used as a guide for gypsumboard and high strength gyp-sum veneer plaster finishes.

L/120 9'9" (2970) 8'0" (2440) AL/240 7'11" (2410) A AL/360 A A A

L/120 11'10" (3610) 9'8" (2950) 8'5" (2570)L/240 10'7" (3230) 9'3" (2820) 8'5" (2570)L/360 9'3" (2820) 8'1" (2460) A

15/8 (41.3)162S125-18

2 (63.5)250S125-18

1 Based on tests conducted with gypsum board attached with screws spaced 12 in.(305 mm) o.c. to framing members.

2 Maximum stud heights are also applicable to walls sheathed with gypsum board

greater than in. (12.7 mm) thick and multiple layers of gypsum board.3 Maximum stud heights are also applicable to walls with studs spaced less than 24 in.

(610 mm) o.c.4 Runner flanges need not be fastened to studs.5 The Industry Designator defines the cold formed steel framing member.

Example: 350S125-18350 designates the member web depth in 100ths of an inch, 350 = 3.50 in. (88.9 mm)S designates the type of member, S = stud125 designates the member flange width in 100ths of an inch, 125 = 1.25 in. (32 mm)18 designates the member base metal thickness in mils, 18 = .0179 in. (0.455 mm)

6 Also applicable to 35/8 in. (92.1 mm) stud depth, 362S125-18.

L/120 13'9" (4190) 11'0" (3350) 9'5" (2870)L/240 13'5" (4090) 11'0" (3350) 9'5" (2870)L/360 11'7" (3530) 10'1" (3070) 9'1" (2770)

3 (88.9)6

350S125-18

L/120 15'1" (4600) 12'1" (3680) 10'5" (3180)L/240 14'2" (4320) 12'1" (3680) 10'5" (3180)L/360 12'4" (3760) 10'9" (3280) 9'9" (2970)

4 (101.6)400S125-18

L/120 16'9" (5110) 13'5" (4090) 11'5" (3480)L/240 16'9" (5110) 13'5" (4090) 11'5" (3480)L/360 16'9" (5110) 13'5" (4090) 11'5" (3480)

6 (152.4)600S125-18


33/139

TABLE VlIMaximum Stud Height 1, ft-in. (mm), Single Layer in. (12.7 mm) Thick Gypsum Board 2

on Each Side of Minimum 0.0329 in. (0.836 mm) Base Metal Thickness Steel StudsSpaced 24 in. (610 mm) o.c. 3,4

GA-600-2000 27

STUD DEPTH LATERAL PRESSUREin. (mm) DEFLECTIONIndus t ry LIMIT 5 psf 7.5 psf 10 psf

Designator 5 (240 Pa) (360 Pa) (480 Pa)

L/120 11'2" (3400) 9'9" (2970) 8'11" (2720) L/240 8'11" (2720) 7'9" (2360) AL/360 7'9" (2360) A A

L/120 15'1" (4600) 13'2" (4010) 11'9" (3580)L/240 11'9" (3580) 10'2" (3100) 9'1" (2770)L/360 10'2" (3100) 8'9" (2670) 7'10" (2390)

15/8 (41.3)162S125-33

2 (63.5)250S125-33

1 Based on tests conducted with gypsum board attached with screws spaced 12 in.(305 mm) o.c. to framing members.

2 Maximum stud heights are also applicable to walls sheathed with gypsum boardgreater than in. (12.7 mm) thick and multiple layers of gypsum board.

3 Maximum stud heights are also applicable to walls with studs spaced less than 24 in.(610 mm) o.c.

4 Runner flanges need not be fastened to studs.5

The Industry Designator defines the cold formed steel framing member.Example: 350S125-33350 designates the member web depth in 100ths of an inch, 350 = 3.50 in. (88.9 mm)S designates the type of member, S = stud125 designates the member flange width in 100ths of an inch, 125 = 1.25 in. (32 mm)33 designates the member base metal thickness in mils, 33 = .0329 in. (0.836 mm)

6 Also applicable to 35/8 in. (92.1 mm) stud depth, 362S125-33.

L/120 19'1" (5820) 16'8" (5080) 15'2" (4620)L/240 15'2" (4620) 13'2" (4010) 11'11" (3630)L/360 13'2" (4010) 11'6" (3510) 10'5" (3180)

3 (88.9) 6 350S125-33

L/120 20'11" (6380) 18'3" (5560) 16'7" (5050)L/240 16'7" (5050) 14'5" (4390) 13'0" (3960)

L/360 14'5" (4390) 12'5" (3790) 11'3" (3430)

4 (101.6)

400S125-33

L/120 27'5" (8360) 24'0" (7320) 19'1" (5820)L/240 21'9" (6630) 19'0" (5790) 17'3" (5260)L/360 19'0" (5790) 16'8" (5080) 15'1" (4600)

6 (152.4)600S125-33


34/139

GA FILE NO.

WP 2945WP 5005WP 5070

WP 1015WP 1470WP 1505WP 1510WP 1515WP 1520WP 1521WP 1522WP 2800WP 2960WP 2961WP 2963WP 2964WP 5105

WP 1021WP 1022WP 1023WP 1050WP 1051WP 1052WP 1053WP 1530WP 1545WP 1546WP 1548WP 1560WP 1570WP 2921WP 2922WP 2924WP 2970WP 5015WP 5130WP 5910WP 6525

NONCOMBUSTIBLEWALLS/PARTITIONS

28 GA-600-2000

SECTION VIFIRE RESISTANCE ANDSOUND CONTROL SYSTEMS

STC

60 - 64

55 - 59

50 - 54

INDEX TO SYSTEMS BY STC RATING

WOOD FRAMEWALLS/PARTITONS

GA FILE NO.

WP 1070WP 1071WP 1072WP 1073WP 1076WP 1081WP 1085WP 1090WP 1615WP 1625WP 1630WP 1632WP 1635WP 6010WP 6020WP 6025WP 6040WP 6070WP 6075WP 6077

WP 1200WP 1201WP 1204WP 1206WP 1240WP 1290WP 1295WP 1296WP 1711WP 1714WP 1716WP 6126WP 6130WP 6135WP 6152

STC

45 - 49

40 - 44

STC

35 - 39

GA FILE NO.

WP 1311WP 1330WP 1340WP 1370WP 1380WP 1390WP 1400WP 1830WP 1841WP 1850WP 1870WP 1930WP 6210WP 6220WP 6240WP 6250WP 6254

STC

60 - 64

55 - 59

50 - 54

45 - 49

40 - 44

35 - 39

30 - 34

GA FILE NO.

WP 3010

WP 3110WP 3810WP 3812WP 3820WP 5510WP 5520

WP 3230WP 3240WP 3241WP 3260WP 3910WP 5530

WP 3330WP 3340WP 3341WP 3360WP 3370WP 5512

WP 3380WP 3430WP 3431WP 3436WP 3441WP 4135WP 4136WP 5515

WP 3510WP 3514WP 3520

WP 3605WP 3615WP 3620


35/139

STC

50 - 54

45 - 49

40 - 45

35 - 39

30 - 34

SHAFTWALLS

GA FILE NO.

WP 7051WP 7052WP 7053WP 7056WP 7057WP 7060WP 7061WP 7062WP 7064WP 7421

WP 6800WP 7076WP 7077WP 7078WP 7079WP 7080WP 7081WP 7082WP 7083WP 7084WP 7088WP 7089WP 7094WP 7095WP 7096WP 7097WP 7098WP 7099WP 7450WP 7451

WP 6900WP 6905

WP 7000WP 7008WP 7117WP 7125

WP 7210

NONCOMBUSTIBLEFLOOR/CEILINGS

GA-600-2000 29

INDEX TO SYSTEMS BY STC RATING

WOOD FRAMEFLOOR/CEILINGS

GA FILE NO.

ASW 1000 ASW 1001

ASW 1005

ASW 1100 ASW 1105

ASW 1200 ASW 1205 ASW 1215

STC

60 - 64

55 - 59

50 - 54

45 - 49

STC

50 - 54

GA FILE NO.

FC 1105FC 2030FC 3012

STC

55 - 59

50 - 54

45 - 49

40 - 44

35 - 39

GA FILE NO.

FC 5105FC 5107

FC 5110FC 5115FC 5116FC 5120

FC 5240FC 5242FC 5250

FC 5300FC 5310

FC 5406FC 5410FC 5415

AREA SEPARATIONWALLS


36/139

DELETED SYSTEMS

30 GA-600-2000

NOTE: Some systems appearing in previous editions have been deletedfrom the 16th edition. Several new systems have been added to the 16thedition. The following Table may be helpful.

NEW SYSTEMS

WP 7021WP 7022WP 7250WP 7251

WP 1041WP 1082WP 1121WP 1565WP 7252WP 7253WP 8104WP 8109WP 9020WP 9021WP 9200WP 9205WP 9206

ASW 1500FC 1290CM 1000

CM 1400CM 1401CM 1450CM 1451CM 1600CM 1601CM 1850CM 2015CM 2016CM 2400CM 2401CM 2450CM 2451

CM 2600CM 2601CM 3115CM 3400CM 3450CM 3600CM 4110CM 4600


37/139

GA FILE NO. WP 1022

GA-600-2000 31

GA FILE NO. WP 1015

WALLS AND INTERIOR PARTITIONS, NONCOMBUSTIBLEGENERIC 1 HOUR

FIRE55 to 59 STC

SOUND

This Space Left Blank

Thickness:Limiting Height:Approx. Weight:Fire Test:

Sound Test:

4"Refer to Section V8 psfSee WP 1051(FM WP 152-1, 1-22-69)CK 684-14, 8-13-68

GYPSUM WALLBOARD, STEEL STUDS

Base layer " gypsum wallboard applied parallel to each side of 2" steel studs 24" o.c.with 1" Type S drywall screws 12" o.c. Face layer 5/8" type X gypsum wallboard orgypsum veneer base applied parallel to each side with 1 5/16 '' Type S drywall screws 12"o.c.

J oints staggered 24" each layer and side. Sound tested with 1" mineral fiber insulation,3.0 pcf, friction fit in stud space. (NLB)


One layer " type X plain or predecorated gypsum wallboard applied parallel to ONE SIDEof 2" steel studs 24" o.c. with 1" Type S drywall screws 8" o.c. at vertical joints and3/8" adhesive beads at intermediate studs.

OPPOSITE SIDE: Base layer " type X gypsum wallboard applied parallel to studs with1" Type S drywall screws 8" o.c. at vertical joints and 12" o.c. at intermediate studs. Facelayer " type X plain or predecorated gypsum wallboard applied parallel to studs with15/8" Type S drywall screws 8" o.c. at vertical joints and 5/8" adhesive beads atintermediate studs.

J oints staggered 24" each layer and side. Sound tested with 3'' glass fiber insulationfriction fit in stud space and all layers screw attached without adhesive. (NLB)

Thickness:Limiting Height:Approx. Weight:Fire Test:Sound Test:

4"Refer to Section V7 psfFM WP 66, 12-8-66RAL TL88-55, 2-18-88


One layer " propri

2000 fire resistance design manual

Documents