Please explain the term "flairing/tenting" at the end of the board.
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Hello, and thank you for your interest in Trex! Trex recommends clean cutting each board end 3/16" to prevent flaring and tenting which means that releasing the factory ends helps with drainage. In some cases when the ends are not trimmed the surface of the ends will flare upwards. I hope this helps answer your question. Thanks, Tori - Trex Customer Care Team
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