MoistureAnalysisandCondensationControlinBuildingEnvelopesHeinzR.Trechsel,EditorASTMStockNumber:MNL40ASTMRO.BoxC700100Ban"HarborDriveWestConshohocken,PA19428-2959PrintedintheU.S.A.LibraryofCongressCataloging-in-PublicationDataMoistureanalysisandcondensationcontrolinbuildingenvelopes/HeinzR.Trechsel,editor.p.cm.--(MNL;40)"ASTMstocknumber:MNL40."Includesbibliographicalreferencesandindex.ISBN0-8031-2089-31.Waterproofing.2.Dampnessinbuildings.3.Exteriorwalls.I.Trechsel,HeinzR.II.ASTMmanualseries;MNL40.TH9031.M6352001693.8'92--dc212001022577CIPCopyright�92001AMERICANSOCIETYFORTESTINGANDMATERIALS,WestConshohocken,PA.Allrightsreserved.Thismaterialmaynotbereproducedorcopied,inwholeorinpart,inanyprinted,mechanical,electronic,film,orotherdistributionandstoragemedia,withoutthewrittenconsentofthepublisher.PhotocopyRightsAuthorizationtophotocopyitemsforinternal,personal,oreducationalclassroomuse,ortheinternal,personal,oreducationalclassroomuseofspecificclients,isgrantedbytheAmericanSocietyforTestingandMaterials(ASTM)providedthattheappropriatefeeispaidtotheCopyrightClearanceCenter,222RosewoodDrive,Danvers,MA01923;Tel:978-750-8400;online:http://www.copyright.com/.NOTE:Thismanualdoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthismanualtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.PrintedinPhiladelphia,PA2001ForewordTHISPUBLICATION,MoistureAnalysisandCondensationControlinBuildingEnvelopes,wassponsoredbyCommitteeC16onThermalInsulationandCommitteeE06onPer-formanceofBuildings.TheeditorwasHeinzR.Trechsel.ThisisManual40inASTM'smanualseries.ContentsPrefaceviiBiographiesoftheAuthorsxvGlossary--byMarkAlbersxxChapter1--MoisturePrimerbyHeinzR.Trechsel1Chapter2--WeatherDatabyAntonTenWoldeandDonaldG.CoUiver16Chapter3--HygrothermalPropertiesofBuildingMaterialsbyM.K.Kumaran29Chapter4--FailureCriteriabyHannuViitanenandMikaelSaIonvaara66Chapter5--OverviewofHygrothermal(HAM)Anal...