Designation:E2570/E2570M−07(Reapproved2014)´1StandardTestMethodsforEvaluatingWater-ResistiveBarrier(WRB)CoatingsUsedunderExteriorInsulationandFinishSystems(EIFS)orEIFSwithDrainage1ThisstandardisissuedunderthefixeddesignationE2570/E2570M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—UnitsinformationwaseditoriallycorrectedandeditorialchangesweremadethroughoutinSeptember2014.1.Scope1.1Thesetestmethodsapplytotrowel,roller,orsprayappliedWater-resistivebarrier(WRB)coatingsthatareappliedoverexteriorsheathingpriortoapplicationofEIFSorEIFSwithdrainagewallcladdings.1.2Testmethodsforinplacewallsystemandcladdingrelatedtotestssuchasfireresistance,windloadcapability,airbarrierperformance,andsoforth.shouldalsobeconsideredbutareoutsidethescopeofthisdocument.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C297/C297MTestMethodforFlatwiseTensileStrengthofSandwichConstructionsD2247PracticeforTestingWaterResistanceofCoatingsin100%RelativeHumidityD2898PracticeforAcceleratedWeatheringofFire-Retardant-TreatedWoodforFireTestingE72TestMethodsofConductingStrengthTestsofPanelsforBuildingConstructionE96/E96MTestMethodsforWaterVaporTransmissionofMaterialsE330/E330MTestMethodforStructuralPerformanceofExteriorWindows,Doors,SkylightsandCurtainWallsbyUniformStaticAirPressureDifferenceE331...
