Designation:F1141/F1141M−15StandardSpecificationforWallCoverings1ThisstandardisissuedunderthefixeddesignationF1141/F1141M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstheperformance,quality,packaging,andmarkingcharacteristicsofflexiblewallcover-ingsasfinishedproducts.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combin-ingvaluesfromthetwosystemshasthepotentialtoresultinnon-conformancewiththestandard.2.ReferencedDocuments2.1ASTMStandards:2F793ClassificationofWallCoveringbyUseCharacteristics3.Terminology3.1Definitions:3.1.1wallcovering—aflexibleproductdesignedtocoverwallsandceilingsfordecorativeorfunctionalpurposes,orboth.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1backing(substrate)—materialuponwhichfacing(oranintermediatelayer)isapplied.Backingisthatmaterialwhichisadheredtothewall.3.2.2bias—patternrunningofftruehorizontalorverticalplane.3.2.3bolt—acontinuousamountofpackagedmaterialcon-tainingtheamountspecifiedonthelabel.3.2.4facing—decorativematerialwhichisappliedtoanintermediatelayerorbacking.3.2.5finishedproduct—wallcoveringofferedtoaconsumerforinstallation.3.2.6intermediatelayer—material,ifany,betweenthefac-ingandthebacking.3.2.7lot(batch)—theproductfromacontinuousmanufac-turingrunhavingthesameappearanceandcharacteristicfrombeginningtoend.3.2.8patternmatch—themeetingofallpartsandcolorsofapatternattheseamsofadjacentstrips.3.2.9patternrepeat—theverticaldistancebetweenadjacentmatchpointsofapattern.3.2.10protectivelayer—anymaterialappliedtothefacingtoenhanceperformance.3.2.11register—thedesignedmeetingofallpartsandcolorsofapattern.3.2.12run—aunitofprod...