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What is the expansion and contraction of the boards? How much space do I need to leave between the boards and the walls to address expansion and contraction?

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  • What is the expansion and contraction of the boards? How much space do I need to leave between the boards and the walls to address expansion and contraction?
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Detailed information regarding this can be seen in our installation guide, specifically in the Expansion and Contraction Values section, pages 6 to 8: https://www.newtechwood.com/pdf/Decking-Installation.pdf. For North American installations, this is usually ¼ of an inch.