ASTM_D_6380_-_D_6380M_-_03_2022.pdf

Designation:D6380/D6380M03(Reapproved 2022)Standard Specification forAsphalt Roll Roofing(Organic Felt)1This standard is issued under the fixed designation D6380/D6380M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the 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 specification covers asphalt roofing in sheet form,in widths agreed upon between the purchaser and the producer/supplier,composed of asphalt-saturated organic felt coated onboth sides with asphalt.Class M and WS rolls are surfaced onthe(exposed)weather side with mineral granules,except forany selvage.Class S rolls are surfaced with powdered talc,mica,or other fine mineral matter to prevent sticking.1.2 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 exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in nonconformancewith the standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the 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:2D146/D146M Test Methods for Sampling and TestingBitumen-Saturated Felts and Woven Fabrics for Roofingand WaterproofingD224 Specification for Smooth-Surfaced Asphalt Roll Roof-ing(Organic Felt)(Withdrawn 2002)3D228/D228M Test Methods for Sampling,Testing,andAnalysis of Asphalt Roll Roofing,Cap Sheets,andShingles Used in Roofing and WaterproofingD249 Specification for Asphalt Roll Roofing(Organic Felt)Surfaced with Mineral Granules(Withdrawn 2002)3D371 Specification for Asphalt Roll Roofing(Organic Felt)Surfaced with Mineral Granules;Wide Selvage(With-drawn 2002)3D1079 Terminology Relating to Roofing and WaterproofingD3019/D3019M Specification for Lap Cement Used withAsphalt Roll Roofing,Non-Fibered,and FiberedD4977/D4977M Test Method for Granule Adhesion toMineral-Surfaced Roofing by AbrasionE96/E96M Test Methods for Gravimetric Determination ofWater Vapor Transmission Rate of Materials3.Terminology3.1 DefinitionsRefer to Terminology D1079 for defini-tions of terms used in this specification.4.Classification4.1 Class S(smooth)rolls shall be surfaced with finemineral matter to prevent sticking.4.1.1 Type IIIMinimum net mass per unit area of roofing,2495 g/m251.1 lb/100 ft2.4.1.2 Type IVMinimum net mass per unit area of roofing,1943 g/m239.8 lb/100 ft2.4.2 Class M(mineral)rolls shall be surfaced on the weatherside with mineral granules,except for any selvage.4.2.1 Type IIMinimum net mass of granule-surfacedportion,3490 g/m271.5 lb/100 ft2.4.3 Class WS(wide selvage)rolls shall be surfaced on theweather side with mineral granules for approximately half thewidth.4.3.1 Type IIIMinimum net mass per unit area,1733 g/m235.5 lb/100 ft2.4.3.2 Type IVMinimum net mass per unit area,2090 g/m242.8 lb/100 ft2.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.02on Steep Roofing Products and Assemblies.The materials covered in this standard were previously covered by three separateroll roofing material standards:Specifications D224,D249,and D371.Current edition approved Nov.1,2022.Published November 2022.Originallyapproved in 1999.Last previous edition approved in 2018 as D6380/D6380M 03(2018).DOI:10.1520/D6380_D6380M-03R22.2For referenced ASTM standards,visit the ASTM website,www.astm.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.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 standardization 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.Materials and Manufacture5.1 In the process of manufacture,a single thickness of dryorganic felt shall first be saturated with asphalt.A coatingasphalt,compounded with o