Designation:E2404−15aAnAmericanNationalStandardStandardPracticeforSpecimenPreparationandMountingofTextile,PaperorPolymeric(IncludingVinyl)andWoodWallorCeilingCoverings,FacingsandVeneers,toAssessSurfaceBurningCharacteristics1ThisstandardisissuedunderthefixeddesignationE2404;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesproceduresforspecimenprepa-rationandmountingwhentestingtextile,paper,vinyl,ex-pandedvinylorotherpolymericwallorceilingcoveringmaterialstoassessflamespreadandsmokedevelopmentassurfaceburningcharacteristicsusingTestMethodE84.1.2Thispracticeappliesalsotofacingsorwoodveneersintendedtobeappliedonsiteoverawoodsubstrate(see8.7).1.3Thispracticeappliesalsotowater-resistivebarriersthatareusedasacomponentofexteriorwallsystems,aspartoftheexteriorenvelope(see3.2.10and8.9).1.4Thispracticedoesnotapplytothefollowing:1.4.1Laminatedproductsfactoryproducedwithawoodsubstrate,whicharecoveredbyPracticeE2579.1.4.2Water-resistivebarrierscomprisedoffoamplasticmaterialscontainedwithinthewallsystem(see5.3.1).1.4.3Watervaporretardersused,inconjunctionwithther-malinsulation,ontheinteriororexteriorsideofanexteriorwall(see3.2.11and5.3.1).1.5TestingisconductedwithTestMethodE84.1.6Thispracticedoesnotprovidepass/failcriteriathatcanbeusedasaregulatorytool.1.7Usethevaluesstatedininch-poundunitsasthestandard,inrefereedecisions.ThevaluesintheSIsystemofunitsaregiveninparentheses,forinformationonly;seeIEEE/ASTMSI-10forfurtherdetails.1.8Thisfirestandardcannotbeusedtoprovidequantitativemeasures.1.9Firetestingofproductsandmaterialsisinherentlyhazardous,andadequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.Firetestinginvolveshazardousmaterials,operations,andequipment.Thisstandardgivesinstructionsonspecimenpreparationandmountin...
