Designation:C1149−17StandardSpecificationforSelf-SupportedSprayAppliedCellulosicThermalInsulation1ThisstandardisissuedunderthefixeddesignationC1149;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thespecificationcoversthephysicalpropertiesofself-supportedsprayappliedcellulosicfibersintendedforuseasthermalinsulationoranacousticalabsorbentmaterial,orboth.1.2Thisspecificationcoverschemicallytreatedcellulosicmaterialsintendedforpneumaticapplicationswheretempera-turesdonotexceed82.2°Candwheretemperatureswillroutinelyremainbelow65.6°C.1.2.1TypeI—Materialappliedwithliquidadhesiveandsuitableforeitherexposedorenclosedapplications.1.2.2TypeII—Materialscontainingadryadhesivethatisactivatedbywaterduringinstallationandintendedonlyforenclosedorcoveredapplications.1.3Thisisamaterialspecificationonlyandisnotintendedtodealwithmethodsofapplicationthataresuppliedbythemanufacturer.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C168TerminologyRelatingtoThermalInsulationC177TestMethodforSteady-StateHeatFluxMeasure-mentsandThermalTransmissionPropertiesbyMeansoftheGuarded-Hot-PlateApparatusC518TestMethodforSteady-StateThermalTransmissionProp...