Standard Specification for Polyolefin-Based Plastic Lumber Decking Boards
STANDARD published on 1.4.2022
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Designation standards: ASTM D6662-22
Publication date standards: 1.4.2022
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers polyolefin-based plastic lumber products for use as exterior residential decking boards. Plastic lumber products are currently made predominantly with recycled polyolefin plastics (in particular high-density polyethylene) where the products are more or less non-homogenous in the cross-section. However, this specification is also potentially applicable to similar manufactured plastic products made from other plastic and plastic composite materials that have non-homogenous cross-sections. Performance requirements to which the products should adhere to are flexural properties (allowable flexural stress, and effective modulus of elasticity and adjustment for creep), dimensional stability during thermal expansion, weatherability (surface appearance and flexural property changes, and hygrothermal cycling), fire properties, and slip resistance. Also detailed here is a procedure to calculate recommended span lengths for spacing of support joists.
Keywords:
plastic lumber, plastic decking, recycled plastics, residential decks,, ICS Number Code 91.100.99 (Other construction materials)