Decking General Requirements 1. Lumber shall be southern pine, grade #2 or better and shall be ACQ, CA-B or CuN-W pressure treated. Lumber in contact with the ground shall be rated as “ground-contact.” Please note: not all treated lumber is rated for ground contact. 2. Wood-plastic composites are composed of bound wood and plastic fibers [...]
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Preservative treatment is often a necessary criteria when utilizing timber in exterior components of structures. In the last decade, timber composites have been shown to be an excellent material for replacing exterior structures, but the dependence on pesticide treatment has created a need for a substitute material. For residential structures, wood-plastic composites (WPCs) have emerged [...]
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Research indicates that the market for WPC decking for residential purposes is well established and expanding beyond traditional residential use. Application of these materials for structurally demanding applications, such as marine pier components, has been successfully demonstrated. Current research is focused on expanding the market to light vehicular or pedestrian bridges such as those found [...]
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