Designation:E1425−14StandardPracticeforDeterminingtheAcousticalPerformanceofWindows,Doors,Skylight,andGlazedWallSystems1ThisstandardisissuedunderthefixeddesignationE1425;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeestablishesrequirementsfortestingandratingacousticalperformanceofwindow,door,skylight,andglazedwallsystems,regardlessoftheirmethodormaterialsofmanufacture.1.1.1Operatingforce,latchingforce,andairleakageareintegralelementsoftheacousticalperformanceofwindow,door,skylight,andglazedwallsystems.Thispracticerequires(whenapplicable)theconcurrenttestingofoperatingforce,latchingforce,andairleakage,inadditiontothesoundtransmissionlosstest.1.2Thispracticeestablishesthetestmethodology,specimencriteria,andclassificationratingsystemforpurposesofdeter-miningtheacousticalperformancelevelsofwindow,door,skylight,andglazedwallsystemsonly,andnotthroughopeningsbetweensuchassembliesandadjacentconstruction.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C634TerminologyRelatingtoBuildingandEnvironmentalAcousticsE90TestMethodforLaboratoryMeasurementofAirborneSoundTransmissionLossofBuildingPartitionsandElementsE283TestMethodforDeterminingRateofAirLeakageThroughExteriorWindows,CurtainWalls,andDoorsUnderSpecifiedPressureDifferencesAcrosstheSpeci-menE413ClassificationforRatingSoundInsulationE631TerminologyofBuildingConstructionsE1332Classifi...
