Designation:E2321−03(Reapproved2011)StandardPracticeforUseofTestMethodsE96/E96MforDeterminingtheWaterVaporTransmission(WVT)ofExteriorInsulationandFinishSystems(EIFS)1ThisstandardisissuedunderthefixeddesignationE2321;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisstandarddescribeshowtouseTestMethodsE96/E96Mtodeterminethewatervaportransmission(WVT)characteristicsofanEIFSsample.1.2AnExteriorInsulationandFinishSystem(EIFS)isamultilayerexteriorbuildingwallmaterialthatconsistsofanumberoflayers.Forthepurposeofthisstandard,theselayers,whethertheybeindividualEIFScomponentmaterialsinsinglelayers,orgroupsofEIFScomponentmaterials,arecalledthe“EIFSsample.”1.3TheWaterMethod,ProceduresBandDdescribedinsectionX1.1.2andX1.1.5ofAppendixX1ofTestMethodsE96/E96Mshallbeusedinthisstandard.1.4Thisstandardislimitedtospecimensnotover11⁄4in.(32mm)inthickness,exceptasprovidedinSection9ofthisstandard.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Metricinch-poundconversionfactorsforwatervaportransmission,permeance,andpermeabilityarestatedinTable1ofTestMethodsE96/E96M.AllconversionsofmmHgtoPaaremadeatatemperatureof0°C.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E96/E96MTestMethodsforWaterVaporTransmissionofMaterialsE631TerminologyofBuildingConstructionsE2110TerminologyforExteriorInsulationandFinishSys-tems(EIFS)3.Terminology3.1Fordefinitionsofgeneraltermsrelatingto:3.1.1Watervaportransmissionofmaterials,seeTestMeth-odsE96/E96M.3.1.2Buildingconstruction,seeTerminologyE631.3.1.3EIFS,seeTerminologyE2110.4.SummaryofPractice...
