Designation:D6950/D6950M−04(Reapproved2012)´1StandardPracticeforApplicationofHeatWeldableAtacticPolypropylene(APP)ModifiedBituminousWaterproofingMembranesSystemsforNewBuildingDecks1ThisstandardisissuedunderthefixeddesignationD6950/D6950M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—UnitsinformationwaseditoriallycorrectedinJanuary2013.1.Scope1.1Thispracticecoverstheminimumapplicationrecom-mendationsforheatweldableatacticpolypropylene(APP)modifiedbituminoussystemsusedaspartofanewhorizontalwaterproofingsystemoveroccupiedspacesofbuildingswherecoveredbyaseparatewearingcourse.1.2Forthepurposeofthispractice,thesubstrateshallbestructurallysound,slopedtodrain,abletoaccepttheweightofthemembraneandothersystemmaterials,andmeetthelocalbuildingcoderequirements.Similarly,allcomponentsofthewaterproofingsystemareassumedtocomplywithanyfederal,state,andlocalenvironmentalregulationsthatmaybeineffectatthetimeofinstallation.Expansionjoints,insulation,drain-agelayers,protectionboards,filtersheets,andthewearingsurfacesarebeyondthescopeofthispractice.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D41SpecificationforAsphaltPrimerUsedinRoofing,Dampproofing,andWaterproofingD1079TerminologyRelatingtoRoofingandWaterproofingD4586SpecificationforAsphaltRoofCement,Asbestos-FreeD5295Gui...
