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RSMeans

TheGypsumConstructionHANDBOOK

Sixth Edition

ISBN-10: 087629-258-7ISBN-13: 978-087629-258-7Catalog No.: 67357ASoftcover w/ rounded corners5-1/2 x 8-1/2

The Gypsum Construction HandbookNEW! Sixth Edition

About the Book

MarketDesign professionals, contractors, building inspectors, code officials, students, andapprentices.

DescriptionOne of the construction industrys longest-running, most relied-on references, The Gypsum

Construction Handbook was first published by U.S. Gypsum Company in 1904. For more thaa century and through several editions, the book has become a trusted standard.

The Handbookcovers both new construction and repair and remodeling and includes:framingdrywall and veneer plaster

joint treatment and plaster finishinginterior cement boardceilingsconventional plaster

New in this edition are chapters on sustainable construction methods and products,building movement, fire resistance, heat transfer, sound transmission, and vapor/moisture control.

System descriptions together with full data on products, accessories, tools, equipment,and applications help plan and estimate projects and ensure compliance with performance

criteria. Cost- and time-saving techniques keep the work on budget.

Price: $29.95576 pages, IllustratedPublication Date: January 30, 2009Editorial Contact: Andrea Sillahandrea.sillah@reedbusiness.com

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About USGSince 1902, USG has been a leading producer of gypsum plaster and cement products, including SHEETROCK BrandDrywall Systems and DUROCK Brand Cement Board. USG is world-renowned for both its leading-edge products and forthe extensive information and customer support the company provides.

About RSMeansRSMeans, the foremost source of construction cost information in North America, is owned by Reed Construction Data (wwwreedconstructiondata.com), a leading provider of quality construction information products and services and part of ReedElsevier (NYSE: RUK and ENL) a world-leading publisher and information provider.

Building Sciences | 445

15

structure

relief

furred drywall

Building materials are affected by variations in temperature and hu-midity, identified as thermal and hygrometric expansion characteristicsand seen in the chart below.

relief

control joint

more than 30(less than 50)

ceiling

structural column

relief

Thermal Expansion Characteristics HygrometricExpansionM at er ia l Ch ar act er ist ic s Char ac te ri st ics

Gypsum panels and bases 9.0 x 10-6 in./(in. F) 7.2 x 10-6 inches/inch/%R.H.

Gypsum p las ter (sanded100 :2 , 100 :3 ) 7 .0x10-6 in./(in. F) 1.5 x 10-6 inches/inch/%R.H

Gypsum woodfiberplaster(sanded100:1) 8.0x10 -6 in./(in. F) 2.8 x 10-6 inches/inch/%R.H

Gypsum FiberPanels (AR) 7.0 x 10-6 in./(in. F) 3.5 x 10-6 inches/inch/%R.H

Control joints should be used to accommodate potential movementdue to hygrometric and thermal variations. Sudden changes in tem-perature may cause cracking from thermal shock. The use and loca-tion of control joints is the responsibility of the design professional.Following are conditions requiring placement of control joints or othermeans to provide isolation from movement:

Partition, furring or column fireproofing abutting a structural ele-ment (except floor) or dissimilar wall or ceiling.

Ceiling or soffit abutting a structural element, dissimilar wall orpartition or other vertical penetration.

Construction changes within the plane of the partition or ceiling.

Partition or furring run exceeding 30'.

Ceiling dimensions exceeding 50' in either direction with perim-eter relief; 30' without relief.

Exterior soffits and ceilings exceeding 30' in either direction.

At joints of wings of L-, U- and T-shaped ceiling areas.

294 |

Pr oc ess Pr od uct Pat tern Fe at ur es/ Be nefi ts

CastPlaster Cadre Fiber-reinforcedcast gypsum panelsofferthe lookof classiccofferedarchitecturewithcompleteaccessibilitytoabove-ceilingutilities. DesignsincludeContemporary, Historical, Executiveand Concepts.

QUADRA Four-sidedcofferframesgivethe appearanceofmoldedplaster, withaccessibilityandsoundcontrol.

Roll Forming CURVATURA Ceilingsystem usescurvedmetal toenablefree-flowing, three-dimensional designs.

.GRIDWARE Open-cell suspensionsystem comprisedof main

teesand crosstees.PARALINE Decorativeandfunctional linearmetal ceilingsystem.

COMPSSO metal suspensiontrim allowsthe creationoffree-form ceiling islandsorfascias incorporatinganystandardD ONN gridand USG Interiorspanel.

C2PairedC OMPSSO Unique, multi-functional ceiling accentscombineformandfunction. Easilyintegratelightingand signage; canalsobeused asway-findingdevices. Availablein straight andcurved sectionsin five sizesand custom colorsto meet anydesignneed. Easytoinstallsuspendfrom ceilingwithhangerwire, cableor rods. Applications: Retail spaces, contemporaryoffices, educational environments, entertainment/gaming.

CELEBRATION Metal ceilingpanelscreate acontemporaryceilingsurface.SnapintoDonn Finelinesuspension, concealingthegrid. Canalsobe wall-mounted.

Metal Stamping/Forming CELEBRATION Aluminum panelsprovidedurability, accessibility, easymainte-nance and sound control. Snap-up installation forshallowplenum areas. Wall-mount optionsavailable.

CADRE CURVATURA

ovide isolat

n, furring oexcept floo

or soffit an or ot er

ruction cha

n or furring

dimensionlief; 30' wit

r soffits an

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r

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o

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476 |USG leads the building industry in the development of high-perfor-

mance components designed to meet specifications and construction

requirements, including sustainability, to enhance building perfor-

mance, and to streamline the building process. For detailed design

and installation information, specifications and additional sustainabilitysuggestions, access the USG website at usg.com and navigate to

specific product web pages. Or, consult our online Design Studio at

usgdesignstudio.com.

Sustainable building design must be supported with construction

methods and technologies that comply with relevant building codes

and that adhere to the specific products recommended installationprocedures. Sealants, joint compounds, adhesives and paint, for ex-

ample, should be applied according to the manufacturers specifica-

tions. This will help to ensure the integrity of the projects sustainable

design and will support its durability and value over time. Profession-

als may obtain detailed, up-to-date installation information by navigat-

ing to relevant USG product descriptions on our website.

Best Practices

Sustainability Assessment ToolsNumerous tools exist to help guide construction professionals in the

evaluation of sustainability characteristics of manufacturers and their

products. Generally, these tools can be categorized as codes, stan-

dards and guidelines. They provide accurate, useful decision-makingsupport when determining preferred project materials; gathering ap-

plication, installation and building life cycle information; or comparing

an individual products performance properties.

Of these guidelines, one of the most reliable and comprehensive as-

sessment standards was c reated by the American Society for Testing

and Materials (ASTM). Designated ASTM E2129, Standard Practicefor Data Collection for Sustainability Assessment of Building Prod-

ucts, the tool analyzes a manufacturers commitment to sustainable

product development across five relevant criteria, including:

1. Materials (product feedstock)

2. Manufacturing

3. Operational performance of installed product

4. Indoor environmental quality

5. Corporate environmental policy

Manufacturing Conservation

100%recycledf aceandbackpaper si ncet he1960s Wast ewater r eusedint hemanufactur ingpr ocess

Oneof thenationstopusersof wastepaperhelping Reducedproduct packagingtominimizeconstructionavoidlandfill towaste

Pioneer edt heuseof synt het icgypsum f r om fluegas New plant sareamongt hemost ener gyef ficient i ndesulfurizationof U.S. coal-firedpower plants theworld

Excellent recoveryratesat gypsum andceilingsplants Wallboardmanufacturingcontributeslessthan0.01%totheworldsgreenhousegasemissions

Nationwideceiling recyclingprogramRegional wallboardrecycling optionsavailable

SG leads th

ance comp

quirements

ance, and t

nd installatiouggestions,

pecific produ

sgdesignst

ustainable

ethods and

nd that adhrocedures.

mple, shoul

ons. This wi

esign and w

s may o ta

ng to relevan

Best Practices

428 |

Enables working large areaswith longer strokes and reach.

Used for fast and easy sand-ing of large areas. Vacuumdramatically reduces theamount of airborne particles.

Pole SanderPole Sander

Vacuum PowerSanderVacuum PowerSander

Mechanical Taping ToolsThis line of specializedequipment is designed tospeed and facilitate high-volume taping and jointfinishing operations.

Fills mechanical tools from5-gal. pail.

Applies a metered amountof compound onto the tape,places the tape on the walland cuts the tape to length.

Hand PumpHand Pump

Automatic TaperAutomatic Taper Works for flat joints andcorners. The original taperis sold under the Bazooka

trade name.

Used to embed tape incorner and force excesscompound from under tapeprior to using the corner ap-plicator head.

Corner RollerCorner Roller

Mechanical Taping Tools

secorcomprioplic

82 |

Maximum allowable spacing for metal furring channels is 24" o.c. for1/2" and 5/8" thick gypsum panels or plaster base. See frame spacingtables below for limiting spans.

For bar joist spacing up to 60", steel studs may be used as furringchannels. Wire-tie studs to the supporting framing as shown in thefollowing diagram. Position 1-5/8" studs with open side up; positionlarger studs with opening to side. See table below for stud spacingand limiting spans.

Limiting Span(1)Metal Furring Members(2)

S in gl e l ay er p an el s D ou bl e l ay er p an el s

Memberspacing (2.5 psf max.) (5.0 psf max.)

Type furring member (in. o.c.) 1-span 3-span 1-span 3-span

DWC-25-ga. 16 59 71 47 58

24 50 62 40 411

DWC-20-ga. 16 611 86 55 69

24 60 75 49 511

1-5/8 stud, 25-ga. 16 72 810 58 70

24 63 79 50 62

(1)For beams, joists, purling, sub-purling; not including1-1/2 coldrolledchannel support spaced40 max. Check Manufacturers litera-

ture toverify that the selectedfurringmemberis appropriate forthe indicatedspan. (2)Limitingspans for1/2 and5/8 thick panels, max.

L/240deflectionanduniform load shown. Evaluate concentratedloads suchas light fixtures and exhaust fans separately.

WireTieing HatChannel

typicalhangerspacing4'-0"o.c.max.

metal furringchannel clip(non-firerated only)

1-1/2"channel 4'-0"o.c. max.

1/2"or5/8"IMPERIALbrandgypsum baseorSHEETROCK brandgypsumpanelsregularorfoil-backmax. spacing16" or24"o.c.

max. spacing24"o.c.

Metal furring channel

82 |

rocess roduct Pattern Features/Benefits

astPlaster a dr e F ib er -r ei nf or ce d ca st gy ps um pa ne ls o ff er t he l oo kof classiccofferedarchitecturewithcompleteaccessibilitytoabove-ceilingutilities. DesignsincludeContemporary, Historical, Executiveand Concepts.

U A R A Four-sidedcofferframesgivethe appearanceofmoldedplaster, withaccessibilityandsoundcontrol.

oll Forming URVATURA Ceilingsystem usescurvedmetal toenablefree-flowing, three-dimensional designs.

.RI WARE Open-cell suspensionsystem comprisedof main

teesand crosstees.ARALINE Decorativeandfunctional linearmetal ceilingsystem.

COMPSSO metal suspensiontrim allowsthe creationoffree-form ceilingislandsor fascias incorporatinganystandard ONN gridand USG Interiorspanel.

2Paired OMPSSO Unique, multi-functional ceiling accentscombineformandfunction. Easilyintegratelighting andsignage; can alsobe use das way- fin i i . i l l i icurvedsectionsindesignneed. Easywire, cableor rodsoffices, educationa

ELEBRATION Metal ceilingpaneSnapintoDonn Fialsobe wall-moun

Metal Stamping/Forming ELEBRATION Aluminum panelsnanceandsoundplenum areas. Wa

ADRE C RVATURA

i i . il l i i

c

New Chapters on

Sustainability anBuilding Science

Tools andequipment for alltypes of gypsumconstruction

Detailedproductinformation

Photos of a widerange of projects

Clear illustrationsshow installation

methods andproduct andsystem details

Handy chartswith product dataand installation

requirements

Some features of the new Gypsum Construction Handbook