Designation:E1186−03(Reapproved2009)StandardPracticesforAirLeakageSiteDetectioninBuildingEnvelopesandAirBarrierSystems1ThisstandardisissuedunderthefixeddesignationE1186;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesepracticescoverstandardizedtechniquesforlocat-ingairleakagesitesinbuildingenvelopesandairbarriersystems.1.2Thesepracticesofferachoiceofmeansfordeterminingthelocationofairleakagesiteswitheachofferingcertainadvantagesforspecificapplications.1.3Someofthepracticesrequireaknowledgeofinfraredscanning,buildingandtestchamberpressurizationanddepressurization,smokegenerationtechniques,soundgenera-tionanddetection,andtracergasconcentrationmeasurementtechniques.1.4Thepracticesdescribedareofaqualitativenatureindeterminingtheairleakagesitesratherthandeterminingquantitativeleakagerates.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection6.2.ReferencedDocuments2.1ASTMStandards:2E631TerminologyofBuildingConstructionsE741TestMethodforDeterminingAirChangeinaSingleZonebyMeansofaTracerGasDilutionE779TestMethodforDeterminingAirLeakageRatebyFanPressurization2.2OtherStandards:3ANSI-ASHRAEStandard101ApplicationofInfraredSens-ingDevicestotheAssessmentofBuildingHeatLossCharacteristicsISOStandard6781ThermalInsulation—QualitativeDetec-tionofThermalIrregularitiesinBuildingEnvelopes—InfraredMethod3.Terminology3.1Definitions:3.1.1airbarriersystem,n—asysteminbuildingconstruc-tionthatisdesignedandinstalledtoreduceairleakageeitherintoor...
