Designation:E1264−14StandardClassificationforAcousticalCeilingProducts1ThisstandardisissuedunderthefixeddesignationE1264;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisclassificationcoversceilingproductsthatprovideacousticalperformanceandinteriorfinishinbuildings.Prod-uctsusedinperformancespacesandotherspecialapplicationsmayrequiremoredetailedspecificationthanprovidedbythisclassification.1.2Thisclassificationclassifiesacousticalceilingsbytype,pattern,andcertainratingsforacousticalperformance,lightreflectance,andfiresafety.Itdoesnotcovertheaspectsofacousticalceilingswhenusedasacomponentofasystemorassemblytestedforfireenduranceorfloor/ceilingsoundtransmission.1.3Thisclassificationdoesnotincludephysicalproperties,suchasstructuralhardness,friability,sag,linearexpansionandcontraction,andtransversestrength,whichmayaffectthehandling,installation,anduseofacousticalceilingproducts(seeTestMethodsC367).1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2C367TestMethodsforStrengthPropertiesofPrefabricatedArchitecturalAcousticalTileorLay-InCeilingPanelsC423TestMethodforSoundAbsorptionandSoundAbsorp-tionCoefficientsbytheReverberationRoomMethodC634TerminologyRelatingtoBuildingandEnvironmentalAcousticsE84TestMethodforSurfaceBurningCharacteristicsofBuildingMaterialsE413ClassificationforRatingSoundInsulationE795PracticesforMountingTestSpecimensDuringSoundAbsorptionTestsE1110ClassificationforDeterminationofArticulationClassE1111TestMethodforMeasuringtheInterzoneAttenuationofOpenOfficeComponentsE1414TestMethodforAirborneSou...
