ASTM_D_7254_-_21.pdf

Designation:D725421An American National StandardStandard Specification forPolypropylene(PP)Siding1This standard is issued under the fixed designation D7254;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification establishes requirements and testmethods for materials,impact strength,appearance,surfaceflame spread,and wind load resistance of siding productsmanufactured from polypropylene material.Methods of indi-cating compliance with this specification are also provided.1.2 The use of polypropylene recycled plastic in this prod-uct shall be in accordance with the requirements in Section 4.1.3 Siding produced to this specification shall be installed inaccordance with manufacturers installation instructions for thespecific product to be installed.NOTE1Information with regard to siding maintenance shall beobtained from the manufacturer.1.4 The values stated in inch-pound units are to be regardedas the standard.The SI units given in parentheses are forinformation purposes only.1.5 The following precautionary caveat pertains to the testmethod portion only,Section 6 of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.NOTE2There is no known ISO equivalent to this standard.1.6 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:2D660 Test Method for Evaluating Degree of Checking ofExterior PaintsD661 Test Method for Evaluating Degree of Cracking ofExterior PaintsD662 Test Method for Evaluating Degree of Erosion ofExterior PaintsD714 Test Method for Evaluating Degree of Blistering ofPaintsD772 Test Method for Evaluating Degree of Flaking(Scal-ing)of Exterior PaintsD883 Terminology Relating to PlasticsD1435 Practice for Outdoor Weathering of PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD3359 Test Methods for Rating Adhesion by Tape TestD3679 Specification for Rigid Poly(Vinyl Chloride)(PVC)SidingD3892 Practice for Packaging/Packing of PlasticsD4101 Classification System and Basis for Specification forPolypropylene Injection and Extrusion MaterialsD4226 Test Methods for Impact Resistance of Rigid Poly-(Vinyl Chloride)(PVC)Building ProductsD5033 Guide for Development ofASTM Standards Relatingto Recycling and Use of Recycled Plastics(Withdrawn2007)3D5206 Test Method for Windload Resistance of Rigid Plas-tic SidingE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE631 Terminology of Building ConstructionsG147 Practice for Conditioning and Handling of Nonmetal-lic Materials for Natural and Artificial Weathering Tests2.2 ASCE Standard:4ASCE 7-10 Minimum Design Loads for Buildings and OtherStructures2.3 International Code Council:5International Building CodeInternational Residential Code1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.24 on Plastic BuildingProducts.Current edition approved Dec.1,2021.Published December 2021.Originallyapproved in 2007.Last previous edition approved in 2020 as D7254 20.DOI:10.1520/D7254-21.2For 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.4Available from American Society of Civil Engineers(ASCE),1801 AlexanderBell Dr.,Reston,VA 20191,http:/www.asce.org.5Available from International Code Council(ICC),500 New Jersey Ave.,NW,6th Floor,Washington,DC 20001,http:/www.iccsafe.org.*A Summary of Changes section appears at the end of this standardCopyright 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.1?2.4 Vinyl Siding Institute,Inc.6VSI Vinyl Siding Installation Manual(2015)2.5 Structural Building Components Association:7ANSI/SBCA FS 100-2