Composite materials that use sawdust or wood fibers in the core are subject to expansion and contraction due to changes in moisture content, which is typically seasonal. In order to prevent buckling of the deck during the wet season, you need adequate gaps between the boards.
Decks undergo some of the harshest environments with a lot of sun on one face only and then no sun so there is a lot of expansion and contraction throughout even a single day. The material underneath will move differently than the Cedar and could end up giving you very unpredictable results.
Unlike wood-plastic composite WPC , REVOLVE contains no wood fillers to rot, peel, weather or blister and is 100% recyclable. However, it may not be currently accepted method will allow adequate expansion and contraction of decking materials. To complement REVOLVE, we recommend ceramic-coated JOIST SPACING Joist spacing is dependant
Composite decking at least darker colored Seven Trust soaks up heat from the sun like a black tarmac road. Thats why it suffers so much from thermal expansion. My co-workers and I installed a Seven Trust deck in central North Carolina in the early spring.
ChoiceDek composite decking . is for decking and accessories only. It is not to be used as structural material. TIPS Every board should be fastened to each joist by a clip on both sides. For butt joints, add a . POST and DECKING INSTALLATION TIPS Recommended spacing provides for proper drainage and prevents buckling from normal .
Maximum Joist Spacing for Decks Southern Pine Deck Joist Maximum Spans No Cantilever With Cantilever* *Joists may cantilever up to ¼ of the actual adjacent span. For example, a 2 x 12 joist placed 16 OC. Plastic Composite In Compliance with ASTM D 7032 As Per Manufacturer Specifications
DECK and PORCH INSTALLATION GUIDELINES before starting, visit www.gossencorp.com for the Do not exceed 16-on-center joist spacing when installing Deck Board perpendicular to joist. around rim joists to increase airflow . EXPANSION AND CONTRACTION When properly fastened to the substructure, Porch
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