Designation:E2485/E2485M−13StandardTestMethodforFreeze/ThawResistanceofExteriorInsulationandFinishSystems(EIFS)andWaterResistiveBarrierCoatings1ThisstandardisissuedunderthefixeddesignationE2485/E2485M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversproceduresfordeterminingtheeffectoffreezingandthawingofexteriorinsulationandfinishsystems(EIFS),anEIFSwithwater-resistivebarriercoatings,andwater-resistivebarriercoatingsbyitself.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E631TerminologyofBuildingConstructionsE2110TerminologyforExteriorInsulationandFinishSys-tems(EIFS)3.Terminology3.1ForgeneralterminologyregardingEIFSandbuildingingeneral,seeTerminologyE2110(forEIFSterms)andTermi-nologyE631(forbuildingsingeneral).4.SummaryofTestMethod4.1Specimensaresubjectedtocyclesoffreezingandthawing.Surfacechanges,viewedat5×magnification,areexaminedforsignsofdeleteriouseffects,suchascracking,crazing,checking,blistering,peeling,delamination,orerosion.5.SignificanceandUse5.1ResistancetofreezingandthawingisafactorwhendeterminingthedurabilityofEIFS,anEIFSwithwater-resistivebarriercoatings,andwater-resistivebarriercoatingsbyitself.6.Apparatus6.1Compressor,FreezingChamber,andCirculator—Ofsuchdesignandcapacitythatthetemperatureoftheairinthefreezingchambersh...
