Designation:C665−12StandardSpecificationforMineral-FiberBlanketThermalInsulationforLightFrameConstructionandManufacturedHousing1ThisstandardisissuedunderthefixeddesignationC665;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoversthecompositionandphysicalpropertiesofmineral-fiberblanketinsulationusedtothermallyoracousticallyinsulateceilings,floors,andwallsinlightframeconstructionandmanufacturedhousing.Therequirementscoverfibrousblanketsandfacings.Valuesforwater-vaporpermeanceoffacingsaresuggestedforinformationthatwillbehelpfultodesignersandinstallers.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B152/B152MSpecificationforCopperSheet,Strip,Plate,andRolledBarC167TestMethodsforThicknessandDensityofBlanketorBattThermalInsulationsC168TerminologyRelatingtoThermalInsulationC177TestMethodforSteady-StateHeatFluxMeasure-mentsandThermalTransmissionPropertiesbyMeansoftheGuarded-Hot-PlateApparatusC390PracticeforSamplingandAcceptanceofThermalInsulationLotsC518TestMethodforSteady-StateThermalTransmissionPropertiesbyMeansoftheHeatFlowMeterApparatusC653GuideforDeterminationoftheThermalResistanceofLow-DensityBlanket-TypeMineralFiberInsulationC1104/C1104MTestMethodforDeterminingtheWaterVaporSorptionofUnfacedMineralFiberInsulationC1304TestMethodforAssessingtheOdorEmission...
