1、Designation:D367921An American National StandardStandard Specification forRigid Poly(Vinyl Chloride)(PVC)Siding1This standard is issued under the fixed designation D3679;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of las
2、t 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 the materials,dimensions,warp,shrinkage,impactstrength,expans
3、ion,appearance,and wind load resistance ofextruded single-wall siding manufactured from rigid(unplas-ticized)PVC compound.Methods of indicating compliancewith this specification are also provided.1.2 The use PVC recycled plastic in this product shall be inaccordance with the requirements in Section
4、4.1.3 Rigid(unplasticized)PVC soffit is covered in Specifi-cation D4477.1.4 Siding produced to this specification shall be installed inaccordance with Practice D4756.Reference shall also be madeto the manufacturers installation instructions for the specificproduct to be installed.NOTE1Information wi
5、th regard to siding maintenance shall beobtained from the manufacturer.1.5 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 The followi
6、ng 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,andenvironmen
7、tal practices and determine the applicability ofregulatory limitations prior to use.NOTE2There is no known ISO equivalent to this standard.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Princi
8、ples 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:2D618 Practice for Conditioning Plastics for TestingD635 Test Method for Rate of Burning and/or Exte
9、nt andTime of Burning of Plastics in a Horizontal PositionD696 Test Method for Coefficient of Linear Thermal Expan-sion of Plastics Between 30C and 30C with a VitreousSilica DilatometerD883 Terminology Relating to PlasticsD1042 Test Method for Linear Dimensional Changes ofPlastics Caused by Exposure
10、 to Heat and MoistureD1435 Practice for Outdoor Weathering of PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2244 Practice for Calculation of Color Tolerances andColor Differences from Instrumentally Measured ColorCoordinatesD2457 Test Method for Specular Gloss of Plastic Films
11、 andSolid PlasticsD3892 Practice for Packaging/Packing of PlasticsD4226 Test Methods for Impact Resistance of Rigid Poly-(Vinyl Chloride)(PVC)Building ProductsD4477 Specification for Rigid(Unplasticized)Poly(VinylChloride)(PVC)SoffitD4756 Practice for Installation of Rigid Poly(Vinyl Chlo-ride)(PVC)
12、Siding and SoffitD5033 Guide for Development ofASTM Standards Relatingto Recycling and Use of Recycled Plastics(Withdrawn2007)3D5206 Test Method for Windload Resistance of Rigid Plas-tic SidingD5947 Test Methods for Physical Dimensions of SolidPlastics SpecimensE631 Terminology of Building Construct
13、ionsE1753 Practice for Use of Qualitative Chemical Spot TestKits for Detection of Lead in Dry Paint FilmsG147 Practice for Conditioning and Handling of Nonmetal-lic Materials for Natural and Artificial Weathering Tests1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and
14、 is the direct responsibility of Subcommittee D20.24 on Plastic BuildingProducts.Current edition approved Sept.1,2021.Published September 2021.Originallyapproved in 1979.Last previous edition approved in 2017 as D3679 17.DOI:10.1520/D3679-21.2For referenced ASTM standards,visit the ASTM website,www.
15、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.*A Summary of Changes section appears at
16、 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.12.2 ASCE Standard:ASCE 7-10Minimum Design Loads for
