decking pvc expansion

Synthetic Decking Professional Deck Builder Composite Materials Nov 1, 2007 A smaller number of manufacturers use polypropylene, which is a much harder plastic, or polyvinyl chloride (PVC). Wood flour decreases "creep," the tendency for materials to deflect over time under a load, and lowers the coefficient of expansion, meaning a composite board shrinks and expands less

AZEK Deck Install Guide expansion or contraction, and unusual weathering. ? Static build-up is a natural occurring phenomenon that can occur with many plastic products including. PVC Decking. It could occur with AZEK products under the right environmental conditions. ? Although AZEK Deck & Porch products are cooler to the touch than many

Choosing the Best Composite Decking for Cold Climates - Fortress Nov 21, 2017 Currently, PVC is being used only on its own in decking, rather than in combination with wood flour. As a result of this all-plastic composition, PVC decking boards have thermal properties that are worse than composite, with greater expansion and contraction. PVC can also grow very brittle in cold weather.

Composite Decking Vs. PVC: Which Decking Is Really Maintenance Feb 5, 2018 This is something that engineers take into account in their calculations using the linear expansion coefficient. With an expansion ratio of 54-110 compared to pine's 5 or steel's 11, plastic products can change size pretty drastically. PVC deck boards have been known to expand so much that after a hot day

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