Designation:D7425/D7425M−13(Reapproved2019)StandardSpecificationforSprayPolyurethaneFoamUsedforRoofingApplications1ThisstandardisissuedunderthefixeddesignationD7425/D7425M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversthetypesandphysicalproper-tiesofspraypolyurethanefoam(SPF)foruseinSPFroofingapplications.1.2Thisspecificationdoesnotprovideguidanceforappli-cation.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C165TestMethodforMeasuringCompressivePropertiesofThermalInsulationsC168TerminologyRelatingtoThermalInsulationC177TestMethodforSteady-StateHeatFluxMeasure-mentsandThermalTransmissionPropertiesbyMeansoftheGuarded-Hot-PlateApparatusC518TestMethodforSteady-StateThermalTransmissionPropertiesbyMeansoftheHeatFlowMeterApparatusC1363TestMethodforThermalPerformanceofBuildingMaterialsandEnvelopeAssembliesbyMeansofaHotBoxApparatusD1079TerminologyRelatingtoRoofingandWaterproofingD1621TestMethodforCompressivePropertiesofRigidCellularPlasticsD1622/D...
