Designation:D5319−12AnAmericanNationalStandardStandardSpecificationforGlass-FiberReinforcedPolyesterWallandCeilingPanels1ThisstandardisissuedunderthefixeddesignationD5319;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoverstheclassification,materialsofconstruction,workmanship,physicalrequirements,andmeth-odsoftestingglass-fiber-reinforcedpolyestercompositewallandceilingpanelsintendedforuseinlightconstructionandsemi-structuralapplications.1.2Supplementaryinformationonchemicalresistance,im-pactresistance,andinstallationpracticeareprovidedinAp-pendixX1.1.3Theclassificationofthesecompositepanelsintoclassesbasedonrelativeresponsetoalaboratorytestshallnotbeconsideredafire-hazardclassification.1.4Laboratoryflammabilitytests(TestMethodsE84andD1929)applicabletothisspecificationshouldbeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoheatandflameundercontrolledlaboratoryconditionsandshouldnotbeusedtodescribeorappraisethefirehazardorconditions.However,resultsmaybeusedaselementsofafireriskassessmentwhichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse.1.5Theintentofthisspecificationistodefinetheclass,grade,andgenerallaminatepropertiesofthecompositewallandceilinglinerpanelsinordertoensureaqualityproductwhichwillperformintheintendedapplication.Thisspecifi-cationisnotintendedtorestrictorlimittechnologicalchangesaffectingperformancewhenchangesareagreeduponbetweenthepurchaserandmanufacturer.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.1.7Thetextofthisspecificationreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseinTablesandFigures)shallnotbeconsi...
