CLASS DAY 10 - CHAPTER 7INTERIOR FINISHES FOR

WOOD LIGHT FRAME CONSTRUCTION

Interior Construction SequenceInterior Construction SequenceAfter the floor platform (concrete or wood) is After the floor platform (concrete or wood) is completed, and exterior walls, sheathing, roof completed, and exterior walls, sheathing, roof structure and decking is in place, the building is structure and decking is in place, the building is “in the dry”, meaning if it rains one can still work “in the dry”, meaning if it rains one can still work inside.inside.

Interior Partition Framing is done simultaneously Interior Partition Framing is done simultaneously with exterior walls if the building is wood frame.with exterior walls if the building is wood frame.

If the building has masonry exterior walls, and/or If the building has masonry exterior walls, and/or is steel frame, the interior framing does not is steel frame, the interior framing does not happen until the building is “in the dry.”happen until the building is “in the dry.”

Sequence of Interior Construction, continuedSequence of Interior Construction, continued

Rough-in: Mechanical, Electrical, Plumbing, and Rough-in: Mechanical, Electrical, Plumbing, and special.special.

Thermal Insulation & Vapor Barrier installedThermal Insulation & Vapor Barrier installed

Code Compliance Inspection by building officialCode Compliance Inspection by building official

Ceiling & Wall Materials installedCeiling & Wall Materials installed

Interior Millwork, Interior Finishes, doors, cabinetsInterior Millwork, Interior Finishes, doors, cabinets

MPE Fixtures, Devices, Trim, Appliances, & Finish MPE Fixtures, Devices, Trim, Appliances, & Finish

Waste/Vent Piping

Copper Water Piping (joints) Why not PVC?

Pipe Insulation

WC Rough in

PVC Pipe

PVC Pipe - Joints “Glued”

Cast Iron Piping

Plumbing Chase

Vent Pipe

Why “Stack” Plumbing Fixtures?

Insulated “Flex” Duct

Duct Anchorage

Flexible Duct

InsulationSprinkler PipeRare in

Residential Construction

Round Duct

Rectangular Ductwork

Isolation Joint

Isolation Pad

Electrical Rough in

Electrical rough in using flexible metal conduits

Blocking in Frame Wall to Support Wall Attachments

Materials

•Wood•Sheet Metal

More Blocking

Metal shield to prevent nailsFrom being driven into Plumbing pipes

Sealant around pipes to prevent smoke migrationFrom passing through wall space

THERMAL INSULATIONTHERMAL INSULATION Purpose is to slow the Purpose is to slow the passage of heat flowpassage of heat flow

Common insulating Common insulating materials are spun glass materials are spun glass fibers and rock mineralfibers and rock mineral

Installation is in Installation is in interstitial space between interstitial space between outside & insideoutside & inside

R-Values are the R-Values are the resistance to the number of resistance to the number of BTUs that will travel BTUs that will travel through a material of given through a material of given area in a given time period.area in a given time period.

Exterior Wall

Insulation in Interior Wall Space to prevent soundtransmission

Vapor Barrier installedOn warm side of insulation

Vapor Barriers on InsulationVapor Barriers on Insulation

Insulation can be Insulation can be purchased with or purchased with or without a vapor barrier.without a vapor barrier. The purpose is to The purpose is to prevent condensation prevent condensation from forming on from forming on materials due to materials due to moisture in the air and moisture in the air and temperature differential.temperature differential. Materials are treated Materials are treated paper, plastic, and paper, plastic, and aluminum foilaluminum foil Installation is always Installation is always on the warm side of the on the warm side of the insulation.insulation.

Radiant Barriers are used to reduce the flow of Radiant Barriers are used to reduce the flow of solar heat from infrared and Ultraviolet radiation solar heat from infrared and Ultraviolet radiation by reflection.by reflection.

Wall sheathing faced with white plastic or Wall sheathing faced with white plastic or aluminum foil on the outer surface reflect UVs and aluminum foil on the outer surface reflect UVs and Infrared.Infrared.

Reflective barriers also include a material called Reflective barriers also include a material called “house wrap”, which not only reflects but provides “house wrap”, which not only reflects but provides a barrier to air infiltration due to wind.a barrier to air infiltration due to wind.

Wall & Ceiling FinishWall & Ceiling FinishCeilings:Ceilings:

Drywall, with textured and painted surface, Drywall, with textured and painted surface, sometimes acoustic spray.sometimes acoustic spray.

Plaster once was the norm, but now is rarely Plaster once was the norm, but now is rarely used because of labor cost.used because of labor cost.

Walls:Walls:

Drywall, with a variety of attached material, Drywall, with a variety of attached material, such as texture & paint, wallpaper, vinyl such as texture & paint, wallpaper, vinyl fabric, paneling, tile.fabric, paneling, tile.

GYPSUM DRYWALL - STACKED

Beveled Joints

Corner bead

Joint Compound

Joint Reinforcing Tape

Joint Tape Applied

DRYWALL MATERIALS

Drywall Joints are first tapedwith a 2” wide paper madefor the purpose and set smoothly into a watersoluble joint compound.

Taped joints are “floated”With a bedding compoundAnd toweled smooth, thenSanded to conceal all jointsAnd fasteners.

Applying Joint Compound

Sanding

INTERIOR DOORSINTERIOR DOORS

Decorative panel doorsare available in a variety of natural wood, plastic, or metal.

Flush type doors areAvailable in a variety ofNatural wood veneers or pressed wood, and areMade with either a solidCore or hollow core asThe need dictates.

Face Veneers•Wood•Laminate

Solid Core Hollow Core

Edge Strips

Core “Solid”•Composite•Wood Blocking

Hollow Core Veneer supportedBy cardboard orWood.

FLUSH TYPE DOORS

DOOR INSTALLATIONDOOR INSTALLATION

“Pre-Hung” - hinged and fitted to the frames at the factory

Split Jamb

Ceramic Tile and Special FinishesCeramic Tile and Special FinishesHard tile floors & countersHard tile floors & countersShowersShowersHard tile wainscotHard tile wainscot

Millwork and Finish CarpentryMillwork and Finish CarpentryDoor and window casings and trimDoor and window casings and trimCabinets and built in millworkCabinets and built in millwork

Painting, Staining, & SealersPainting, Staining, & SealersApplication of opaque and transparent Application of opaque and transparent finishesfinishes

Counter tops and Special SurfacesCounter tops and Special Surfaces

Plumbing FinishPlumbing FinishInstall plumbing finish piping, faucets, & valvesInstall plumbing finish piping, faucets, & valvesInstall plumbing fixturesInstall plumbing fixturesInstall ventsInstall vents

Electrical FinishElectrical FinishInstall lighting fixtures and switchesInstall lighting fixtures and switchesInstall receptacles and special outletsInstall receptacles and special outletsMake equipment connectionsMake equipment connections

HVAC FinishHVAC FinishInstall heating and air conditioning equipmentInstall heating and air conditioning equipmentInstall air supply registers and return air grillesInstall air supply registers and return air grillesThermostats and filtersThermostats and filters

RESILIENT FLOORINGRESILIENT FLOORINGResilient flooring Resilient flooring is material such is material such as vinyl as vinyl composition tile, composition tile, vinyl tile, or sheet vinyl tile, or sheet vinyl.vinyl.

It is a material It is a material that must be that must be glued down at the glued down at the proper proper temperature, then temperature, then protected from protected from construction construction traffic. traffic.

WOOD FLOORINGWOOD FLOORING

Pre finished wood flooring is another materialPre finished wood flooring is another material

that must be protected from constructionthat must be protected from construction

traffic.traffic.

Unfinished hardwood flooring can beUnfinished hardwood flooring can be

installed early, then finished as one ofinstalled early, then finished as one of

the last steps.the last steps.

Types of wood flooring include blindTypes of wood flooring include blind

nailed tongue & nailed tongue &

grooved, square grooved, square

edge, or wood edge, or wood

tiles such as parquet.tiles such as parquet.

CARPETCARPETCarpet is a final material that should Carpet is a final material that should not be installed until last – for not be installed until last – for obvious reasons.obvious reasons.There are two types of carpet, based There are two types of carpet, based on the method of installation. on the method of installation.

Stretch carpet is placed over a Stretch carpet is placed over a resilient pad and held in placeresilient pad and held in placewith barbed strips fastened to with barbed strips fastened to the floor. the floor.

So called, ‘commercial carpet’ So called, ‘commercial carpet’ is a very tight weave material,is a very tight weave material,and is installed with a mastic and is installed with a mastic adhesive troweled on the floor. adhesive troweled on the floor.

Many of the processes of finish within a project Many of the processes of finish within a project overlap in the time frame in which they are installed.overlap in the time frame in which they are installed.

But every consideration must be given and demanded But every consideration must be given and demanded by the Architect to guard against damage of one by the Architect to guard against damage of one material for the sake of another. material for the sake of another.

Finish surfaces should never be done prior to other Finish surfaces should never be done prior to other trades that could cause damage, without adequate trades that could cause damage, without adequate protection to the materials.protection to the materials.

The General Conditions of the Contract for any project The General Conditions of the Contract for any project will state that damage done to adjacent finish shall be will state that damage done to adjacent finish shall be paid for by the trade responsible for the damage.paid for by the trade responsible for the damage.