1、Designation:D744509An American National StandardStandard Specification forRigid Poly(Vinyl Chloride)(PVC)Siding with Foam PlasticBacking(Backed Vinyl Siding)1This standard is issued under the fixed designation D7445;the number immediately following the designation indicates the year oforiginal adopt
2、ion 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.Scope1.1 This specification establishes requirements for vinylsiding with integral foam p
3、lastic backing,where the siding ismanufactured from rigid PVC compound.Performance re-quirements and test methods addressed by this standard includematerials properties and dimensions,warp,shrinkage,impactstrength,expansion,appearance,and windload resistance.Methods of indicating compliance with thi
4、s specification arealso provided.NOTE1Backed vinyl siding is composed of two major components:the siding and the backing.It is intended that the siding portion complywith Specification D3679.Applicable portions of Specification D3679 areincluded in this specification.Additional requirements that per
5、tain only tothe backing as a separate material,or to the combination of siding andbacking as a whole,are also included.1.2 Backed vinyl siding shall be tested with the backingmaterial in place or removed,as specified in the applicablerequirement or test method.1.3 The use of PVC recycled plastic in
6、this product shall bein accordance with the requirements in Section 4.1.4Rigid PVC soffit is covered in Specification D4477.1.5 Siding produced to this specification shall be installed inaccordance with Practice D4756.Reference shall also be madeto the manufacturers installation instructions for the
7、 specificproduct to be installed.NOTE2Information with regard to siding maintenance shall beobtained from the manufacturer.1.6 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
8、 onlyand are not considered standard.1.7 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 and health practices and determine the applica-bility of regulatory limita
9、tions prior to use.NOTE3There is no known ISO equivalent to this standard.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD635 Test Method for Rate of Burning and/or Extent andTime of Burning of Plastics in a Horizontal PositionD696 Test Method for Coeffi
10、cient 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 Under Accelerated Service ConditionsD1435 Practice for Outdoor Weathering of PlasticsD1600 Terminology
11、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 andSolid PlasticsD3679 Specification for Rigid Poly(Vinyl Chloride)(PVC)SidingD3892 Pra
12、ctice 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)Siding and SoffitD5206 Test
13、 Method for Windload Resistance of Rigid Plas-tic SidingD5947 Test Methods for Physical Dimensions of SolidPlastics SpecimensD7209 Guide for Waste Reduction,Resource Recovery,and1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcomm
14、ittee D20.24 on Plastic BuildingProducts.Current edition approved Feb.15,2009.Published February 2009.DOI:10.1520/D7445-09.2For 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 t
15、o the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Use of Recycled Polymeric Materials and ProductsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE631 Terminol
16、ogy 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 Tests2.2 ASCE Standard:3ASCE 7-02 Minimum Design loads for Buildings and OtherStructures3.Terminology3.1 Definitions are in accordance with Terminologies D883,E631,and D1600,unless otherwise specified.3.2 Definitions of Terms Specific to This Standard:3.2.1backe
