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ASTM D4477-04a

(Specification)

Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit

Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit

ABSTRACT
This specification establishes the physical requirements and test methods for extruded single-wall soffits manufactured from rigid (unplasticized) poly(vinyl chloride) (PVC) compounds. The PVC compound when extruded into soffit shall maintain uniform color and be free of any visual surface or structural changes such as peeling, chipping, cracking, flaking, or pitting. Materials shall undergo testing and shall conform accordingly to requirements in terms of dimension (length, width, and thickness), camber, initial impact resistance, coefficient of linear expansion, gloss, deflection, and color.
SCOPE
1.1 This specification establishes requirements and test methods for the materials, dimensions, camber, impact strength, expansion, and appearance of extruded single-wall soffit manufactured from rigid (unplasticized) PVC compound. Methods of indicating compliance with this specification are also provided.
1.2 The use of PVC recycled plastic in this product shall be in accordance with the requirements in Section .
1.3 Rigid (unplasticized) poly(vinyl chloride) (PVC) siding is covered in Specification D 3679.
1.4 Soffit produced to this specification shall be installed in accordance with Practice D 4756. Reference shall also be made to the manufacturer's installation instructions for the specific product to be installed. Note 1Information with regard to soffit maintenance shall be obtained from the manufacturer.
1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
The following precautionary caveat pertains to the test method portion only, Section 6 of this specification. 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 2
There is no known ISO equivalent to this standard.

General Information

Status
Historical
Publication Date
31-Oct-2004
ICS
83.080.20 - Thermoplastic materials
Technical Committee
D20 - Plastics
Drafting Committee
D20.24 - Plastic Building Products
Current Stage
Ref Project

Relations

Replaces
ASTM D4477-04 - Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit
Effective Date
01-Nov-2004
Replaced By
ASTM D4477-08 - Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit
Effective Date
15-Dec-2008
Referred By
ASTM D4803-18 - Standard Test Method for Predicting Heat Buildup in PVC Building Products
Effective Date
01-Nov-2004
Referred By
ASTM E2266-22 - Standard Guide for Design and Construction of Low-Rise Frame Building Wall Systems to Resist Water Intrusion
Effective Date
01-Nov-2004
Referred By
ASTM D3679-21 - Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Siding
Effective Date
01-Nov-2004

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ASTM D4477-04a - Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) SoffitASTM D4477-04a - Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit
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ASTM D4477-04a - Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
An American National Standard
Designation: D 4477 – 04a
Standard Specification for
1
Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit
This standard is issued under the fixed designation D 4477; 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 (ϵ) indicates an editorial change since the last revision or reapproval.
1. Scope* D618 Practice for Conditioning Plastics and Electrical
Insulating Materials for Testing
1.1 This specification establishes requirements and test
D635 Test Method for Rate of Burning and/or Extent and
methods for the materials, dimensions, camber, impact
Time of Burning of Self-Supporting Plastics in a Horizon-
strength, expansion, and appearance of extruded single-wall
tal Position
soffitmanufacturedfromrigid(unplasticized)PVCcompound.
D696 Test Method for Coefficient of Linear Thermal Ex-
Methods of indicating compliance with this specification are
pansion of Plastics Between –30°C and 30°C with a
also provided.
Vitreous Silica Dialtometer
1.2 The use of PVC recycled plastic in this product shall be
D883 Terminology Relating to Plastics
in accordance with the requirements in Section 4.
D1600 Terminology Relating toAbbreviations,Acronyms,
1.3 Rigid (unplasticized) poly(vinyl chloride) (PVC) siding
and Codes for Terms Relating to Plastics
is covered in Specification D3679D3679.
D2244 Test Method for Calculation of Color Differences
1.4 Soffit produced to this specification shall be installed in
from Instrumentally Measured Color Coordinates
accordance with Practice D4756D4756. Reference shall also
D2457 TestMethodforSpecularGlossofPlasticFilmsand
be made to the manufacturer’s installation instructions for the
Solid Plastics
specific product to be installed.
D3679 Specification for Rigid (Unplasticized) Poly(Vinyl
NOTE 1—Information with regard to soffit maintenance shall be ob-
Chloride) (PVC) Siding
tained from the manufacturer.
D3892 Practice for Packaging/Packing of Plastics
1.5 The values stated in inch-pound units are to be regarded
D4226 Test Methods for Impact Resistance of Rigid Poly-
as the standard. The values given in parentheses are for
(Vinyl Chloride) (PVC) Building Products
information only.
D4756 Practice for the Installation of Poly(Vinyl Chloride)
1.6 The following precautionary caveat pertains to the test
(PVC) Siding and Soffit
method portion only, Section 6 of this specification. This
D5033 GuidefortheDevelopmentofStandardsRelatingto
standard does not purport to address all of the safety concerns,
the proper Use of Recycled Plastics
if any, associated with its use. It is the responsibility of the user
D5947 Test Method of Physical Dimensions of Solid Plas-
of this standard to establish appropriate safety and health
tic Specimens
practices and determine the applicability of regulatory limita-
E631 Terminology of Building Constructions
tions prior to use.
E805 PracticeforIdentificationofInstrumentalMethodsof
Color or Color-Difference Measurement of Materials
NOTE 2—There is no known ISO equivalent to this standard.
3. Terminology
2. Referenced Documents
2 3.1 Definitions—Definitions are in accordance with Termi-
2.1 ASTM Standards:
nologies D883, D1600, and E631D883D1600E631, unless
otherwise specified.
1
This specification is under the jurisdiction of ASTM Committee D20 on
3.2 Definitions of Terms Specific to This Standard:
PlasticsandisthedirectresponsibilityofSubcommitteeD20.24onPlasticBuilding
3.2.1 vinyl soffıt, n—a shaped material, made principally
Products.
from rigid poly(vinyl chloride) (PVC) that is used to clad the
Current edition approved Nov. 1, 2004. Published November 2004. Originally
published as D4477–85. Last previous editionapproved in 2004 as D4477–04.
underside of a roof overhang.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3.2.2 Discussion—Any exception to a homogeneous rigid
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
PVC compound is present in a coextruded or laminated
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. capstock.
*ASummary 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 ----------------------
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
D 4477 – 04a
4. Materials and Manufacture specified shall be uniform on the surface of the soffit panels,
except in the case of multi-colored woodgrain panels.
4.1 The soffit, sh
...

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SCOPE
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5.1 The quantity of volatile components in a vinyl chloride resin can be established by this test method. This test method does not identify the components.
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4.1 These test methods are suitable for research or as quality control or specification tests.  
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