1、Designation:D8052/D8052M22Standard Test Method forQuantification of Air Leakage in Low-Sloped MembraneRoof Assemblies1This standard is issued under the fixed designation D8052/D8052M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,th
2、e year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method provides a laboratory technique fordetermining air leakage in low-sloped membrane roof assem-bli
3、es under specified negative air pressure differences.1.2 This test method is intended to measure air leakage of aroof assembly with rooftop penetrations.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be ex
4、act equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in nonconformancewith the standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user
5、of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the
6、Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1079 Terminology Relating to Roofing and WaterproofingD7586/D7586M Test Method f
7、or Quantification of Air In-trusion in Low-Sloped Mechanically Attached MembraneRoof Assemblies(Withdrawn 2020)3E283/E283M Test Method for Determining Rate of AirLeakage Through Exterior Windows,Skylights,CurtainWalls,and Doors Under Specified Pressure DifferencesAcross the SpecimenE631 Terminology
8、of Building ConstructionsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodE1677 Specification forAir Barrier(AB)Material orAssem-blies for Low-Rise Framed Building WallsE1680 Test Method for Rate of Air Leakage through Exte-rior Metal Roof Panel Systems
9、E2357 Test Method for DeterminingAir Leakage Rate ofAirBarrier Assemblies2.2 CAN/CSA Standard:4CAN/CSA-A123.21-14 Standard Test Method for the Dy-namic Wind Uplift Resistance of Membrane-roofing Sys-tems3.Terminology3.1 DefinitionsTerms used in this test method are definedin Terminology D1079,Termin
10、ology E631,Test Method E283/E283M,and Test Method D7586/D7586M.4.Summary of Test Method4.1 The air leakage test consists of installing a roof assem-bly with five typical rooftop penetrations between twochambers,a bottom chamber where the roof assembly isinstalled in a horizontal plane,a top chamber
11、through which airis exhausted at a rate required to maintain the specifiedpressure difference across the roof assembly,and measuring theresultant air flow through the specimen.Although the roofassembly is tested in horizontal plane,the results are applicableto low-sloped roofs as defined in Terminol
12、ogy D1079.5.Significance and Use5.1 This test method can be useful in understanding theresponse of low-sloped membrane roof assemblies to airpressure differences induced across the assembly.1This test method is under the jurisdiction ofASTM Committee D08 on Roofingand Waterproofing and is the direct
13、 responsibility of Subcommittee D08.20 onRoofing Membrane Systems.Current edition approved Aug.1,2022.Published September 2022.Originallyapproved in 2017.Last previous edition approved in 2017 as D8052/D8052M 17.DOI:10.1520/D8052_D8052M-22.2For referenced ASTM standards,visit the ASTM website,www.as
14、tm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from Canadian Standards Associa
15、tion(CSA),178 Rexdale Blvd.,Toronto,ON M9W 1R3,Canada,http:/www.csagroup.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardizati
16、on established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.15.2 This test method can be useful in understanding the roleof different roofing components in providing resistance to airleakage through the roof assembly.5.3 When applying the results of tests by this test method,note that the performance of a roof or its components,or both,depends on proper insta
