ASTM D7445-17
(Specification)Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Siding with Foam Plastic Backing (Backed Vinyl Siding)
Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Siding with Foam Plastic Backing (Backed Vinyl Siding)
SCOPE
1.1 This specification establishes requirements for vinyl siding with integral foam plastic backing, where the siding is manufactured from rigid PVC compound. Performance requirements and test methods addressed by this standard include materials properties and dimensions, warp, shrinkage, impact strength, expansion, appearance, and wind load resistance. Methods of indicating compliance with this specification are also provided.
Note 1: Backed vinyl siding is composed of two major components: the siding and the backing. It is intended that the siding portion comply with Specification D3679. Applicable portions of Specification D3679 are included in this specification. Additional requirements that pertain only to the backing as a separate material, or to the combination of siding and backing as a whole, are also included.
1.2 Backed vinyl siding shall be tested with the backing material in place or removed, as specified in the applicable requirement or test method.
1.3 The use of PVC recycled plastic in this product shall be in accordance with the requirements in Section 4.
1.4 Rigid PVC soffit is covered in Specification D4477.
1.5 Siding produced to this specification shall be installed in accordance with Practice D4756. Reference shall also be made to the manufacturer's installation instructions for the specific product to be installed.
Note 2: Information with regard to siding maintenance shall be obtained from the manufacturer.
1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Note 3: There is no known ISO equivalent to this standard.
1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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Designation:D7445 −17 An American National Standard
Standard Specification for
Rigid Poly(Vinyl Chloride) (PVC) Siding with Foam Plastic
1
Backing (Backed Vinyl Siding)
This standard is issued under the fixed designation D7445; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
1.1 This specification establishes requirements for vinyl
siding with integral foam plastic backing, where the siding is
NOTE 3—There is no known ISO equivalent to this standard.
manufactured from rigid PVC compound. Performance re-
1.8 This international standard was developed in accor-
quirementsandtestmethodsaddressedbythisstandardinclude
dance with internationally recognized principles on standard-
materials properties and dimensions, warp, shrinkage, impact
ization established in the Decision on Principles for the
strength, expansion, appearance, and wind load resistance.
Development of International Standards, Guides and Recom-
Methods of indicating compliance with this specification are
mendations issued by the World Trade Organization Technical
also provided.
Barriers to Trade (TBT) Committee.
NOTE 1—Backed vinyl siding is composed of two major components:
2. Referenced Documents
the siding and the backing. It is intended that the siding portion comply
2
withSpecificationD3679.ApplicableportionsofSpecificationD3679are
2.1 ASTM Standards:
included in this specification.Additional requirements that pertain only to
D618Practice for Conditioning Plastics for Testing
the backing as a separate material, or to the combination of siding and
D635Test Method for Rate of Burning and/or Extent and
backing as a whole, are also included.
Time of Burning of Plastics in a Horizontal Position
1.2 Backed vinyl siding shall be tested with the backing
D696TestMethodforCoefficientofLinearThermalExpan-
material in place or removed, as specified in the applicable
sion of Plastics Between −30°C and 30°C with aVitreous
requirement or test method.
Silica Dilatometer
1.3 The use of PVC recycled plastic in this product shall be D883Terminology Relating to Plastics
in accordance with the requirements in Section 4. D1042Test Method for Linear Dimensional Changes of
Plastics Caused by Exposure to Heat and Moisture
1.4 Rigid PVC soffit is covered in Specification D4477.
D1435Practice for Outdoor Weathering of Plastics
1.5 Sidingproducedtothisspecificationshallbeinstalledin
D1600TerminologyforAbbreviatedTermsRelatingtoPlas-
accordancewithPracticeD4756.Referenceshallalsobemade
tics
to the manufacturer’s installation instructions for the specific
D2244Practice for Calculation of Color Tolerances and
product to be installed.
Color Differences from Instrumentally Measured Color
Coordinates
NOTE 2—Information with regard to siding maintenance shall be
obtained from the manufacturer.
D2457Test Method for Specular Gloss of Plastic Films and
Solid Plastics
1.6 Thevaluesstatedininch-poundunitsaretoberegarded
D3679Specification for Rigid Poly(Vinyl Chloride) (PVC)
as standard. The values given in parentheses are mathematical
Siding
conversions to SI units that are provided for information only
D3892Practice for Packaging/Packing of Plastics
and are not considered standard.
D4226Test Methods for Impact Resistance of Rigid Poly-
1.7 This standard does not purport to address all of the
(Vinyl Chloride) (PVC) Building Products
safety concerns, if any, associated with its use. It is the
D4477Specification for Rigid (Unplasticized) Poly(Vinyl
responsibility of the user of this standard to establish appro-
Chloride) (PVC) Soffit
D4756Practice for Installation of Rigid Poly(Vinyl Chlo-
ride) (PVC) Siding and Soffit
1
This specification is under the jurisdiction of ASTM Committee D20 on
PlasticsandisthedirectresponsibilityofSubcommitteeD20.24onPlasticBuilding
2
Products. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
CurrenteditionapprovedJune1,2017.PublishedJuly2017.Originallyapproved contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
in 1979. Last previous edition approved in 2009 as D7445–09. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
D7445-17. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D7445−17
D5206Test Method for Windload Resistance of Rigid Plas- 6.5 fo
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D7445 − 09 D7445 − 17 An American National Standard
Standard Specification for
Rigid Poly(Vinyl Chloride) (PVC) Siding with Foam Plastic
1
Backing (Backed Vinyl Siding)
This standard is issued under the fixed designation D7445; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Scope*
1.1 This specification establishes requirements for vinyl siding with integral foam plastic backing, where the siding is
manufactured from rigid PVC compound. Performance requirements and test methods addressed by this standard include materials
properties and dimensions, warp, shrinkage, impact strength, expansion, appearance, and windload wind load resistance. Methods
of indicating compliance with this specification are also provided.
NOTE 1—Backed vinyl siding is composed of two major components: the siding and the backing. It is intended that the siding portion comply with
Specification D3679. Applicable portions of Specification D3679 are included in this specification. Additional requirements that pertain only to the
backing as a separate material, or to the combination of siding and backing as a whole, are also included.
1.2 Backed vinyl siding shall be tested with the backing material in place or removed, as specified in the applicable requirement
or test method.
1.3 The use of PVC recycled plastic in this product shall be in accordance with the requirements in Section 4.
1.4 Rigid PVC soffit is covered in Specification D4477.
1.5 Siding produced to this specification shall be installed in accordance with Practice D4756. Reference shall also be made to
the manufacturer’s installation instructions for the specific product to be installed.
NOTE 2—Information with regard to siding maintenance shall be obtained from the manufacturer.
1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
NOTE 3—There is no known ISO equivalent to this standard.
1.8 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D618 Practice for Conditioning Plastics for Testing
D635 Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position
D696 Test Method for Coefficient of Linear Thermal Expansion of Plastics Between −30°C and 30°C with a Vitreous Silica
Dilatometer
D883 Terminology Relating to Plastics
D1042 Test Method for Linear Dimensional Changes of Plastics Caused by Exposure to Heat and Moisture
D1435 Practice for Outdoor Weathering of Plastics
D1600 Terminology for Abbreviated Terms Relating to Plastics
1
This specification is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subcommittee D20.24 on Plastic Building Products.
Current edition approved Feb. 15, 2009June 1, 2017. Published February 2009July 2017. Originally approved in 1979. Last previous edition approved in 2009 as
D7445 – 09. DOI: 10.1520/D7445-09. 10.1520/D7445-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D7445 − 17
D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
D2457 Test Method for Specular Gloss of Plastic Films and Solid Plastics
D3679
...
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