1、Designation: D3679 17 An 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 yea
2、r 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 the materials, dimensions, warp, shrinkage, impa
3、ctstrength, expansion, 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 r
4、equirements in Section 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 ins
5、talled.NOTE 1Information with 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 conside
6、red standard.1.6 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 approp
7、riate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.NOTE 2There 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
8、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:2D618 Practice for Conditioning Plastics for TestingD635 Test Method for R
9、ate of Burning and/or Extent 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 ofP
10、lastics Caused by Exposure 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 Specu
11、lar Gloss of Plastic Films 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
12、Rigid Poly(Vinyl Chlo-ride) (PVC) 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 SpecimensE63
13、1 Terminology of Building ConstructionsE1753 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 o
14、f ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.24 on Plastic BuildingProducts.Current edition approved June 1, 2017. Published July 2017. Originally approvedin 1979. Last previous edition approved in 2013 as D3679 13. DOI: 10.1520/D3679-17.2For referenced ASTM s
15、tandards, 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
16、.*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 est
17、ablished 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 7-10 Minimum Design Loads for Buildings andOther Structures42.3 International Co
18、de Council:5International Building CodeInternational Residential Code2.4 Vinyl Siding Institute, Inc.:6VSI Vinyl Siding Installation Manual (2015)2.5 Structural Building Components Association:7ANSI/SBCA FS 100-2012 Standard Requirements for WindPressure Resistance of Foam Plastic Insulating Sheathi
19、ngUsed in Exterior Wall Covering Assemblies3. Terminology3.1 Definitions are in accordance with Terminologies D883,E631, and D1600, unless otherwise specified.3.2 Definitions of Terms Specific to This Standard:3.2.1 center-pinningan installation technique in which thesiding panel is fastened tightly
20、 through the nail slot at thecenter length of the panel, in order to cause thermal expansionand contraction to occur equally in both directions from thecenter.3.2.2 heavily textured sidingin this standard, any vinylsiding using separate postextrusion processing to produce atextured surface.3.2.2.1 D
21、iscussionPost-extrusion-forming does not in-clude embossing of the surface or forming of the faces of theprofile, but does include such processes as heat forming,vacuum forming and compression molding applied to thesurface after the profile is extruded.3.2.3 nominalthe value that a manufacturer cons
22、istentlyuses to represent a specific property or dimension of a vinylsiding product in public claims including, but not limited to,product literature, advertisements, quotations, and certificatesof conformance.3.2.4 process average thicknessthe rolling, arithmeticmean of average specimen thicknesses
23、 measured according to6.5 for a specific product during all productions runs for themost recent six month period.3.2.5 temperate northern climatein weather testing,aNorth American metropolitan area testing site located within73 to 100W longitude and 37 to 45N latitude.3.2.6 wind load design pressure
24、 ratingthe maximum windpressure that a vinyl siding product is rated to withstand, basedon testing under Test Method D5206; there are two types ofwind load design pressure rating used in this standard:3.2.6.1 standard wind load design pressure ratingthewind load design pressure rating for a siding p
25、roduct wheninstalled 1) over a sheathing material designed and attachedsuch that it is capable of resisting 100 % of positive andnegative wind pressures occurring under design conditions atthe building location; and 2) with the standard fasteningmethod specified in building codes, general installati
26、oninstructions, and the siding manufacturers instructions.3.2.6.2 alternative wind load design pressure ratingthewind load design pressure rating for a siding product wheninstalled over a sheathing not designed and attached such thatit is capable of resisting 100 % of positive and negative windpress
27、ures occurring under design conditions at the buildinglocation, or when the siding is not fastened in the standard way;as specified by the manufacturer.3.2.6.3 DiscussionThe standard test conditions,configuration, and fastening method used in this Specificationare specified in 6.14, while alternativ
28、e sheathing and installa-tion conditions are specified by the manufacturer and must bereflected in the products installation instructions. Alternativeratings apply only when the specified sheathing and fasteningconditions are used. See Annex A1 for information on differ-ences between the standard wi
29、nd load design pressure ratingand alternative wind load design pressure ratings, and how todetermine standard and alternative design pressure ratings.3.2.7 vinyl sidinga shaped material, made principallyfrom rigid poly(vinyl chloride) (PVC), that is used to cladexterior walls of buildings.3.2.7.1 Di
30、scussionAny exception to a homogeneous rigidPVC compound is present in a coextruded or laminatedcapstock.4. Materials and Manufacture4.1 The siding shall be made of one or more layers ofpoly(vinyl chloride) (PVC) compound.Any layers of materialsother than poly (vinyl chloride) (PVC) compound shall b
31、e keptto less than 20 % by volume.4.2 Where rigid PVC recycled plastic as defined in GuideD5033 is used, the siding containing the PVC recycled plasticshall meet all of the requirements of Section 3, Terminology;Section 4, Materials and Manufacture; and Section 5, PhysicalRequirements.4.3 The poly(v
32、inyl chloride) siding material, when tested inaccordance with Test Method D635, shall not exceed anaverage extent of burn of 4 in. (100 mm), with an average timeof burn not to exceed 10 s. A minimum sample thickness of0.035 in. (0.9 mm) is required. (WarningThe flammabilitytesting data, conclusions,
33、 and recommendations of TestMethod D635 related solely to the measurement and descrip-tion of properties for classification of the poly(vinyl chloride)siding material in response to flame under controlled laboratoryconditions and shall not be used for the description or appraisalof the fire hazard o
34、f vinyl siding under actual fire conditions.)4.4 The PVC compound when extruded into siding shallmaintain uniform color and be free of any visual surface orstructural changes, such as peeling, chipping, cracking, flaking,or pitting.4.5 The PVC compound shall be compounded so as toprovide the heat st
35、ability and weather exposure stabilityrequired for the siding market application.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, D
36、C 20001, http:/www.iccsafe.org.6National Housing Center, 1201 15th Street NW, Suite 220, Washington, DC20005, http:/www.vinylsiding.org76300 Enterprise Lane, Madison, WI 53719, http:/D3679 1724.6 PVC siding shall not contain elemental lead (Pb) orcompounds of that material other than traces incident
37、al to rawmaterials or the manufacturing process. This limitation appliesto both PVC substrate and to any cap or film material.Compliance with this requirement shall be demonstrated byone of the methods in 6.165. Physical Requirements5.1 Length and WidthThe nominal length and width of thesiding shall
38、 be as agreed upon between the purchaser and theseller. The actual length shall not be less than14 in. (6.4 mm)of the nominal length and the actual width shall be within 6116in. (1.6 mm) of the nominal width when measured in accor-dance with 6.3 and 6.4.5.2 ThicknessExcept for heavily textured sidin
39、g, theserequirements pertain only to measurements of the portions ofthe siding that are exposed after installation of the panel,measured in accordance with the procedure in 6.5. For heavilytextured siding, these requirements apply to the portion of thesiding selected for measurement in accordance wi
40、th 6.5. Theaverage thickness of each specimen shall be no less than 0.035in. No individual measurement shall be thinner than 0.003 in.below the nominal thickness. The process average thickness asdefined in 3.2.4 shall be no thinner than 0.001 in. below thenominal thickness.5.3 CamberA full length of
41、 siding (typically 10 or 12 ft(3.05 or 3.61 m) shall not have a camber greater than18 in.(3.2 mm) when measured in accordance with 6.6.5.4 Heat ShrinkageThe average heat shrinkage shall notexceed 3.0 % when determined by the method described in 6.7.5.5 Impact ResistanceSiding shall have a minimum im
42、-pact strength of 60 in.lbf (6.78 J) when tested in accordancewith 6.8.5.6 Coeffcient of Linear ExpansionThe siding shall havea coefficient of linear expansion not greater than 4.5 by 10-5in./in./F (8.1 by 105mm/mm/C) when tested in accordancewith 6.9.5.7 GlossThe gloss of smooth and embossed siding
43、 shallbe uniform across the exposed surface. The average of allreadings for a panel determined in 6.11.2.5 shall not differ fromthe manufacturers specified gloss value more than the permit-ted variation in Table 1, and each individual reading shall notvary more than 10 points from the average. Gloss
44、 of smoothand embossed siding shall be tested in accordance with 6.11.TABLE 1Manufacturers SpecifiedGloss ValuePermitted differencefromMfg. Spec. GlossValueLess than or equal to 35 8Greater than 35 105.8 Surface DistortionThe siding shall be free of bulges,waves, and ripples when tested to a minimum
45、 temperature of120F (49C) in accordance with the procedure in 6.12. Thisdistortion is called “oil-canning.”5.9 ColorThe color of the siding shall be within thedefined color space parameters for the specific color agreedupon between the purchaser and the manufacturer. The colorspecified shall be unif
46、orm on the surface of the siding panels,except in the case of multicolored woodgrain panels.5.9.1 Uniformity of ColorWhen tested in accordance with6.13, the total color change, E, between a production speci-men and the appropriate reference specimen or agreed-uponcolor coordinates shall not vary by
47、more than 1.5, and thechromatic coordinates thereof shall not change by more than6aH= 1.0 and 6bH= 1.0.5.10 Weathering:5.10.1 The siding shall maintain a uniform color and be freeof any visual surface or structural changes such as peeling,chipping, cracking, flaking, and pitting when tested in accor
48、-dance with 6.10.NOTE 3Weathering-conformance-testing requirements are to reflectperformance of a “typical” extrusion siding profile representing a specificcolor of PVC compound and a specific extrusion technology. In no case isthere an implied requirement for testing all the various shaped and size
49、dsiding profiles produced in this color. The lengthy outdoor weatherabilitytesting for new products may be performed concurrently with marketdevelopment and sales of siding to existing markets. Completion ofweatherability testing prior to marketing of the product is not required.5.11 Wind Load ResistanceThe siding shall withstand aminimum static test pressure and a standard wind load designpressure rating shall be determined.5.11.1 Minimum Test PressureThe siding panel(s) shall beable to withstand a minimum
