Designation:C36/C36M–03e1StandardSpecificationforGypsumWallboard1ThisstandardisissuedunderthefixeddesignationC36/C36M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.e1NOTE—Thewordrating(s)wasaddedtothetermfireresistancethroughouteditoriallyOctober2004.1.Scope*1.1Thisspecificationcoversgypsumwallboardwhichisdesignedtobeusedforwalls,ceilings,orpartitionsandaffordsasurfacesuitabletoreceivedecoration.NOTE1—SpecificationC840containsapplicationproceduresforgyp-sumwallboard.1.2Thevaluesstatedineitherinch-poundorSI(metric)unitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemshallbeusedindependentoftheother.Valuesfromthetwosystemsshallnotbecombined.1.3Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.2.ReferencedDocuments2.1ASTMStandards:2C11TerminologyRelatingtoGypsumandRelatedBuild-ingMaterialsandSystemsC473TestMethodsforPhysicalTestingofGypsumPanelProductsC645SpecificationforNonstructuralSteelFramingMem-bersC840SpecificationforApplicationandFinishingofGyp-sumWallboardC1264SpecificationforSampling,Inspection,Rejection,Certification,Packaging,Marking,Shipping,Handling,andStorageofGypsumBoardE84TestMethodforSurfaceBurningCharacteristicsofBuildingMaterialsE96TestMethodsforWaterVaporTransmissionofMate-rialsE119TestMethodsforFireTestsofBuildingConstructionandMaterials3.Terminology3.1DefinitionsoftermsshallbeinaccordancewithTermi-nologyC11.4.MaterialsandManufacture4.1Gypsumwallboardshallconsistofanoncombustiblecore,essentiallygypsum,surfacedwithpaperbondedtothecore.4.2Foil-backedgypsumwallboardshallconsistofgypsum...
