1、Designation:D475615An American National StandardStandard Practice forInstallation of Rigid Poly(Vinyl Chloride)(PVC)Siding andSoffit1This standard is issued under the fixed designation D4756;the number immediately following the designation indicates the year oforiginal adoption or,in the case of rev
2、ision,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 practice covers the basic requirements for and themethods of installation of rigid vinyl siding,sof
3、fits,andaccessories on the exterior wall and soffit areas of buildings.Inall applications,refer also to the specific manufacturersinstallation instructions and the requirements of applicablebuilding codes.1.2 This practice covers aspects of installation relating toeffectiveness and durability in ser
4、vice.1.3 The various application systems are located in thefollowing sections of this practice:Substrate,Surface PreparationSection 8Application of Horizontal SidingSection 9Application of Vertical SidingSection 10Application of Soffits and FasciaSection 11Special DetailsSection 121.4 The values sta
5、ted 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.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.I
6、t is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.NOTE1There is no known ISO equivalent to this standard.2.Referenced Documents2.1 ASTM Standards:2D883 Terminology Relating
7、 to PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD3679 Specification for Rigid Poly(Vinyl Chloride)(PVC)SidingD4477 Specification for Rigid(Unplasticized)Poly(VinylChloride)(PVC)SoffitE631 Terminology of Building ConstructionsE2112 Practice for Installation of Exterior Windows
8、,Doorsand Skylights3.Terminology3.1 GeneralDefinitions are in accordance with Terminolo-gies D883 and E631 and abbreviations with TerminologyD1600 unless otherwise indicated.3.2 Definitions of Terms Specific to This Standard:3.2.1 backerboarda flat material used on the face of thehouse,applied betwe
9、en the studs and the siding(or overexisting wall surface)to provide an even surface for theinstallation of the vinyl siding.3.2.2 buttlockthe bottom of a siding or soffit panel,oraccessory piece,opposite the nail hem,which locks onto thepreceding panel.3.2.3 crimpsmall protrusions,typically approxim
10、ately12in.(12.7 mm)long,18in.(3.2 mm)wide,and projecting18in.(3.2 mm)formed by a crimper(snaplock punch).(See Fig.2.)3.2.4 crimpera special hand tool designed to form crimps(snaplock ears)intended to hold partial panels in place.(SeeFig.2.)3.2.5 face nailthe action of fastening directly on to the“fa
11、ce,”or exposed surface,of a panel(instead of using the nailslot).3.2.6 fasciathe trim covering the ends of roof rafters.(SeeFig.1.)3.2.6.1 fascia boarda board attached to the ends of therafters between the roofing material and the soffit overhang.3.2.6.2 fascia cap or coverthe covering around a fasc
12、iaboard.3.2.7 flashingspecial membrane pieces or manufacturedtrim pieces used to supplement siding panels in weatherprotection around joints,penetrations,and openings,such aswindows,doors,mechanical penetrations,and roof-wall1This practice is under the jurisdiction ofASTM Committee D20 on Plastics a
13、ndis the direct responsibility of Subcommittee D20.24 on Plastic Building Products.Current edition approved Feb.1,2015.Published February 2015.Originallyapproved in 1991.Last previous edition approved in 2013 as D4745 13.DOI:10.1520/D4756-15.2For referenced ASTM standards,visit the ASTM website,www.
14、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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C
15、700,West Conshohocken,PA 19428-2959.United States1 intersections,designed and intended to move incidental waterto the building exterior.3.2.8 furring/furring stripa wooden or steel framingmaterial,usually a nominal 1 by 2 in.(25.4 by 50.8 mm)usedto even the surface in preparation for installation of
16、 siding.To“fur”a surface means to apply these strips.3.2.9 nailslot puncha special hand tool used to create slotsfor attachment of field-modified siding or accessories.(See Fig.3.)3.2.10 rake(roof)the inclined,usually projecting edge ofa sloping roof.3.2.11 rake(wall)the board or molding placed along thesloping sides of a gable to cover the ends of the siding.3.2.12 snaplock earssee crimp and Fig.2.3.2.13 snaplock punchsee crimper and Fig.2.3.2.14 sofftthe underside surface(typically horizontal)
