ASTM D8484-23
Standard Specification for Plastic Lumber Materials and Wood-Plastic Composite Materials Used as Exterior Wall Coverings

Standard No.

ASTM D8484-23

Release Date

2023

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM D8484-23

Scope

1.1  This specification is applicable to the use of plastic lumber materials and of wood-plastic composite materials, and no other plastic composite materials, used as exterior wall coverings, as part of an exterior wall assembly. 1.2  This specification is not applicable to the use of plastic lumber materials or of wood-plastic composite materials contained in exterior wall assemblies when not used as part of the exterior wall covering. 1.3  This specification is not applicable to the use of any of the following types of materials: (a) poly(vinyl chloride) (PVC) siding (see Specification D3679 , for standard vinyl siding, or Specification D7793 , for insulated vinyl siding), (b) polypropylene siding (see Specification D7254 ), (c) wood (including lumber, plywood, engineered wood, coated wood, or painted wood). 1.4  This specification is not applicable to the use of plastic lumber materials or of wood-plastic composite materials in any application other than the one addressed in 1.1 . In particular, this specification is not applicable to the use of plastic lumber materials or of wood-plastic composite materials as exterior deck boards, stair treads, handrails, guards, or soffits. 1.5  The values stated in inch-pound units are to be regarded as standard. Any SI units given in parentheses are for information only. 1.6  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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Note 1:  There is no known ISO equivalent to this standard. 1.7  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.

ASTM D8484-23 Referenced Document

• ASTM D3679 Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Siding
• ASTM D5206 Standard Test Method for Windload Resistance of Rigid Poly(Vinyl Chloride) (PVC) Siding
• ASTM D570 Standard Test Method for Water Absorption of Plastics
• ASTM D618 Standard Practice for Conditioning Plastics for Testing
• ASTM D6341 Standard Test Method for Determination of the Linear Coefficient of Thermal Expansion of Plastic Lumber and Plastic Lumber Shapes Between -30 and 140176F (-34.4 and 60176C)
• ASTM D6662 Standard Specification for Polyolefin-Based Plastic Lumber Decking Boards
• ASTM D7032 Standard Specification for Establishing Performance Ratings for Wood-Plastic Composite and Plastic Lumber Deck Boards, Stair Treads, Guards, and Handrails
• ASTM D7254 Standard Specification for Polypropylene (PP) Siding
• ASTM D7793 Standard Specification for Insulated Vinyl Siding
• ASTM D883 Standard Terminology Relating to Plastics*， 2024-02-01 Update
• ASTM E119 Standard Test Methods for Fire Tests of Building Construction and Materials
• ASTM E136 Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750_oC
• ASTM E176 Standard Terminology of Fire Standards
• ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials

ASTM D8484-23 history

• 2023 ASTM D8484-23 Standard Specification for Plastic Lumber Materials and Wood-Plastic Composite Materials Used as Exterior Wall Coverings