Designation:D6221/D6221M−00(Reapproved2014)´1StandardSpecificationforReinforcedBituminousFlashingSheetsforRoofingandWaterproofing1ThisstandardisissuedunderthefixeddesignationD6221/D6221M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—UnitsinformationwaseditoriallycorrectedinMay2014.1.Scope1.1Thisspecificationcoversfactorypreparedreinforcedbituminoussheetusedinflashing.Thebitumenusedmaybeasphalt,coal-tarpitch,orpolymermodifiedbitumen.Thereinforcementmayincludeanyoneoracombinationoforganic(woodfiber),polyester,orglassfiberfelts,wovenfabrics,orthermoplasticfilms.Finemineralpowders,granules,ormetalfoilsmaybeusedassurfacing.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thefollowingprecautionarystatementpertainsonlytothetestmethodportion,Section7,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D228TestMethodsforSampling,Testing,andAnalysisofAsphaltRollRoofing,CapSheets,andShinglesUsedinRoofingandWaterproofingD751TestMethodsforCoatedFabricsD1079TerminologyRelatingtoRoofingandWaterproofingD2523PracticeforTestingLoad-StrainPropertiesofRoof-ingMembranesD3746TestMethodforImpactResistanceofBituminousRoofingSystemsD5601TestMethodforTearingResistanceofRoofingandWaterproofingMaterialsandMembranes(Withdrawn2002)3D5683TestMethodforFlexibilityofRoofingandWater-proofingMaterialsandMembranesD5869Practi...
