Designation:C208−12StandardSpecificationforCellulosicFiberInsulatingBoard1ThisstandardisissuedunderthefixeddesignationC208;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoverstheprincipalcellulosicfiberinsulatingboardtypes,grades,andsizes.Requirementsarespecifiedforcomposition,construction,physicalproperties,tolerances,samplingprocedures,andtestmethods.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Whentheinstallationoruseofthermalinsulationmaterials,accessories,andsystemsmayposesafetyorhealthproblems,themanufacturershallprovidetheuserappropriatecurrentinformationregardinganyknownproblemsassociatedwiththerecommendeduseofthecompany’sproductsandshallalsorecommendprotectivemeasurestobeemployedintheirsafeutilization.Theusershallestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C165TestMethodforMeasuringCompressivePropertiesofThermalInsulationsC168TerminologyRelatingtoThermalInsulationC209TestMethodsforCellulosicFiberInsulatingBoardC390PracticeforSamplingandAcceptanceofThermalInsulationLotsC846PracticeforApplicationofCellulosicFiberInsulatingBoardforWallSheathingD1037TestMethodsforEvaluatingPropertiesofWood-BaseFiberandParticlePanelMaterialsD1554TerminologyRelatingtoWood-BaseFiberandPar-ticlePanelMaterialsD2164MethodsofTestingStructuralInsulatingRoofDeck(Withdrawn2005)3E72TestMethodsofConductingStrengthTestsofPanelsforBuildingConstruction2.2FederalStandard:4900.1Rev-1U.S.Dept.ofHousingandUrbanDevelop-mentMinimumPropertyStandards,Onean...
