Designation:C1574−04(Reapproved2013)StandardGuideforDeterminingBlownDensityofPneumaticallyAppliedLoose-FillMineralFiberThermalInsulation1ThisstandardisissuedunderthefixeddesignationC1574;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedescribestwoalternateproceduresfordeter-miningblowndensityatapredeterminedthicknessorarangeofthicknessesexpectedinfieldapplicationsofmineralfiberloose-fillinsulation.1.2Thisguideinvolvesblowingasampleofloose-fillinsulationintoatestframeofknownvolume,measuringtheweightoftheinsulationcapturedandcalculatingtheblowndensity.1.3Thisguideisintendedforpneumatically-appliedloose-fillmineralfiberinsulationdesignedforuseinhorizontalopenatticspaces.1.4Thisguideisintendedforproductdesignandproductauditingbymanufacturersofloose-fillinsulation.Thisguideisadaptableasaplantqualitycontrolprocedure.1.5Thisguidedoesnotpredicttheageddensityofthemineralfiberloose-fillinsulation.1.6Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregula-torylimitationspriortouse.1.7Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2C168TerminologyRelatingtoThermalInsulationC1374TestMethodforDeterminationofInstalledThick-nessofPneumaticallyAppliedLoose-FillBuildingInsu-lation3.Terminology3.1Definitions—TerminologyC168isapplicabletothetermsusedinthisstandard.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1Variableblowndensity—changeindensityexhibitedbyloose-fillinsulationasafunctionofthickness.3.2.1.1Discussion—Someloose-filli...
