Designation:D226/D226M−17StandardSpecificationforAsphalt-SaturatedOrganicFeltUsedinRoofingandWaterproofing1ThisstandardisissuedunderthefixeddesignationD226/D226M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecificationcoversasphalt-saturatedorganicfelts,withorwithoutperforations,intendedtobeusedwithasphaltsconformingtotherequirementsofSpecificationD312/D312Mintheconstructionofbuilt-uproofs,andwithasphaltscon-formingtotherequirementsofSpecificationD449/D449Mintheconstructionofwaterproofingsystems.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section8,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D70TestMethodforDensityofSemi-SolidBituminousMaterials(PycnometerMethod)D146/D146MTestMethodsforSamplingandTestingBitumen-SaturatedFeltsandWovenFabricsforRoofingandWaterproofingD312/D312MSpecificationforAsphaltUsedinRoofingD449/D449MSpecificationforAsphaltUsedinDamppr...