Designation:D8223−19StandardPracticeforEvaluationofFire-RetardantTreatedLaminatedVeneerLumber1ThisstandardisissuedunderthefixeddesignationD8223;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversproceduresfortheevaluationoflaminatedveneerlumber(LVL)pressure-treatedwithcommer-ciallyavailablefireretardantsafterexposuretobothstandardenvironmentalconditionsandanextendedexposuretoelevatedtemperature.1.2LVLproductsutilizingoverlaysorfire-retardantpaintsandcoatingsrequireotherconsiderationsandareoutsideofthescopeofthispractice.1.3LVLproductsmanufacturedforrimboardapplicationsrequireotherconsiderationsandareoutsideofthescopeofthispractice.1.4Thispracticeprovidesonemethodtoestablishdesignvaluesforfire-retardanttreated(FRT)LVL.Itisnotintendedtoprecludetheuseofalternativemethodsforderivingdesignvalues,suchasTestMethodD5664andPracticeD6841forFRTlumber.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D9TerminologyRelatingtoWoodandWood-BasedProd-uctsD3201/D3201MTestMethodforHygroscopicPropertiesofFire-RetardantWoodandWood-BasedProductsD5456SpecificationforEvaluationofStructuralCompositeLumberProductsD5664TestMethodforEvaluatingtheEffectsofFire-RetardantTreatmentsandElevatedTemperaturesonStrengthPropertiesofFire-RetardantTrea...