Designation:D3656/D3656M−13StandardSpecificationforInsectScreeningandLouverClothWovenfromVinyl-CoatedGlassYarns1ThisstandardisissuedunderthefixeddesignationD3656/D3656M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoverstherequirementsforvinyl-coatedglassyarninsectscreeningandlouvercloth.1.2Thisspecificationisintendedtoassistultimateusersbydesignatingthesizesandtypesoftheseproductsthataregenerallyavailableintheindustry.1.3Thisspecificationshowstheterminologyandrequire-mentsfor:1.3.1Commercialstandardvinyl-coatedglassyarninsectscreeningdesignedandwovenprimarilyforinstallationinoronanydwelling,patio,screeningenclosure,building,orstructureforthepurposeofkeepingoutflies,mosquitoes,andmostinsects.1.3.2Vinyl-coatedglassyarnlouverclothusedextensivelyinsoffitandlouverventstokeepoutmostlargeinsects,birds,andairbornelitter,whileatthesametimeprovidingforadequateventilationandaircirculation.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportions,Sections8-19,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1776PracticeforConditioningandTestingTextilesD3374SpecificationforVinyl-CoatedGlassYarnsD3773TestMethodsforLengthof...
