Designation:D4811/D4811M−16StandardSpecificationforNonvulcanized(Uncured)RubberSheetUsedasRoofFlashing1ThisstandardisissuedunderthefixeddesignationD4811/D4811M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversnonvulcanized(uncured)rub-bersheetmadeofEPDM(ethylene-propylene-dieneterpoly-mer)orCR(polychloroprene)intendedforuseaswatertightroofflashingexposedtotheweather.1.2Thetestsandpropertylimitsusedtocharacterizetheseflashingmaterialsarespecificforeachclassificationandareminimumvaluestomaketheproductfitforitsintendedpurpose.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4In-placeroofsystemdesigncriteria,suchasfireresistance,fieldseamingstrength,materialcompatibility,andupliftresistance,amongothers,arebeyondthescopeofthisspecification.1.5Thefollowingprecautionarycaveatpertainstothetestmethodsportiononly,Section8,ofthisspecification:Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD471TestMethodforRubberProperty—EffectofLiquidsD518TestMethodforRubberDeterioration—SurfaceCracking(Withdrawn2007)3D573TestMethodforRubber—DeteriorationinanAirOvenD624TestMethodforTearStrengthofConventionalVul-canizedRubberandThermoplasticElastomersD1079TerminologyRelatingtoRoofingandWate...