Designation:D6757−07(Reapproved2013)StandardSpecificationforUnderlaymentFeltContainingInorganicFibersUsedinSteep-SlopeRoofing1ThisstandardisissuedunderthefixeddesignationD6757;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcovers(1)inorganicfiber-reinforcedorganicfeltunderlaymentand(2)inorganicfiber-basedfeltforuseasunderlaymentwithsteep-sloperoofingproducts.Theintentofthisspecificationistoprovidecriteriaforproducingandevaluatingunderlaymentswithasignificantlyreducedtendencytowrinklebeforeoraftertheinstallationofsteeproofingproducts.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section8,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequire-mentspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D146TestMethodsforSamplingandTestingBitumen-SaturatedFeltsandWovenFabricsforRoofingandWaterproofingD228TestMethodsforSampling,Testing,andAnalysisofAsphaltRollRoofing,CapSheets,andShinglesUsedinRoofingandWaterproofingD1079TerminologyRelatingtoRoofingandWaterproofingD4869SpecificationforAsphalt-SaturatedOrganicFeltUn-derlaymentUsedinSteepSlopeRoofingF1087TestMethodforLinearDimensionalStabilityofaGasketMaterialtoMoisture3.Terminology3.1Definitions—Fordefinitionsoftermsusedinthisspecification,refertoTerminologyD1079.4.Classification4.1Organicfeltsthatarereinforcedwithinorganicfibersarecoveredbythisspecification.4.2Inorganicfiber-basedasphalticandnonasphalticfeltsarecoveredbythisspecification.5.MaterialsandManufacture5.1Intheprocessofmanu...
