Designation:C919−12(Reapproved2017)StandardPracticeforUseofSealantsinAcousticalApplications1ThisstandardisissuedunderthefixeddesignationC919;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeprovidesinformationfortheuseofseal-antstoreducesoundtransmissioncharacteristicsofinteriorwalls,ceilings,andfloorsbyproperapplicationofsealantstojoints,voids,andpenetrationsnormallyfoundinbuildingconstruction,whicharecommonlyreferredtoas“flankingpaths.”1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.3Thecommitteewithjurisdictionoverthisstandardisnotawareofanycomparablestandardspublishedbyotherorga-nizations.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C634TerminologyRelatingtoBuildingandEnvironmentalAcousticsC717TerminologyofBuildingSealsandSealantsC834SpecificationforLatexSealantsC920SpecificationforElastomericJointSealantsC1193GuideforUseofJointSealantsC1520GuideforPaintabilityofLatexSealantsC1620SpecificationforAerosolPolyurethaneandAerosolLatexFoamSealantsC1642PracticeforDeterminingAirLeakageRatesofAero-solFoamSealantsandOtherConstructionJointFillandInsulationMaterialsE90TestMethodforLaboratoryMeasurementofAirborneSoundTransmissionLossofBuildingPartitionsandElementsE336TestMethodforMeasurementofAirborneSoundAttenuationbetweenRoomsinBuildingsE413ClassificationforRatingSoundInsulat...
