Designation:C1047−14aStandardSpecificationforAccessoriesforGypsumWallboardandGypsumVeneerBase1ThisstandardisissuedunderthefixeddesignationC1047;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversaccessoriesusedinconjunc-tionwithassembliesofgypsumwallboardandgypsumveneerbasetoprotectedgesandcornersandtoprovidearchitecturalfeatures(seeFig.1).1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2A463/A463MSpecificationforSteelSheet,Aluminum-Coated,bytheHot-DipProcessA653/A653MSpecificationforSteelSheet,Zinc-Coated(Galvanized)orZinc-IronAlloy-Coated(Galvannealed)bytheHot-DipProcessA875/A875MSpecificationforSteelSheet,Zinc-5%Alu-minumAlloy-CoatedbytheHot-DipProcessA879/A879MSpecificationforSteelSheet,ZincCoatedbytheElectrolyticProcessforApplicationsRequiringDes-ignationoftheCoatingMassonEachSurfaceB69SpecificationforRolledZincB117PracticeforOperatingSaltSpray(Fog)ApparatusC11TerminologyRelatingtoGypsumandRelatedBuildingMaterialsandSystemsC475/C475MSpecificationforJointCompoundandJointTapeforFinishingGypsumBoardC587SpecificationforGypsumVeneerPlasterD1788SpecificationforRigidAcrylonitrile-Butadiene-Styrene(Abs)Plastics(Withdrawn1988)3D3678SpecificationforRigidPoly(VinylChloride)(PVC)Interior-ProfileExtrusionsD3935SpecificationforPolycarbonate(PC)UnfilledandReinforcedMaterialD4549ClassificationSystemandBasisforSpecificationforPolystyreneandRubber-ModifiedPolystyreneMoldingandExtrusionMaterials(PS)D5927ClassificationSystemforThermoplasticPolyester(TPES)InjectionandExtrusionMaterialsBasedonISOTestMe...
