Designation:C1518−16StandardSpecificationforPrecuredElastomericSiliconeJointSealants1ThisstandardisissuedunderthefixeddesignationC1518;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Precuredelastomericsiliconejointsealants,hereinafterreferredtoasseal,aremanufacturedinflat,cured,extrudedshapesandareprimarilyusedtospanjointopeningsinconstruction.Thisspecificationdescribesthepropertiesofapplied,flatshapedprecuredelastomericsiliconejointsealants,hereinafterreferredtoasappliedseal,thatbridgejointopeningsandareadheredtojointsubstratesutilizingaliquidappliedsiliconeadhesivesealant,specifiedbythemanufacturer,hereinafterreferredtoasadhesivetoconstruc-tionsubstrates,tosealbuildingopeningssuchaspaneljoints,metalflashingjoints,orotherbuildingopeningsinplaceofconventionalliquidappliedsealants.1.2Sealsareappliedinthreedifferentconfigurations:1.2.1Asabridgejoint,thesealisappliedflatonthesurfacetocoverajointopening.SeeFig.1.1.2.2Asabeveledbridgejoint,thesealisappliedonthebevelededgeofasubstratetobridgeajointopening.SeeFig.2.1.2.3AsaU-joint,thesealisappliedinaU-configurationwithinajoint.SeeFig.3.1.3Thisspecificationisforaflatextrudedshape.Athree-dimensionalshapeusedatajointcrosssectionorterminationisbeingconsideredforfutureinclusioninthespecification.1.4Anappliedsealmeetingtherequirementsofthisspeci-ficationshallbedesignatedbythemanufacturerastomove-mentclassandtearclassasdescribedinSection5.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninbracketsareforinformationonly.2.ReferencedDocuments2.1ASTMStandards:2C717TerminologyofBuildingSealsandSealantsC1442PracticeforConductingTestsonSealantsUsingArtificialWeatheringApparatusC1523TestMethodforDeterminingModulus,TearandAdhesionPropertiesofPrecuredElastomericJointSeal-antsD1566TerminologyRelating...
