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Soklam t1_ja7m76m wrote

Reply to comment by AKAMH in Do I need to replace my deck joists? by RobotKevinSpacey

I think most composite decking is 12" on center spacing. Good point for sure. Trex will start to look like it's melting if it's on 16" centers.

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ultralightlife t1_ja7rlrs wrote

trex recommends 16" and decking companies around here never do 12" unless specifically requested.

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serotoninOD t1_ja803gq wrote

16" is fine if you're just laying it out straight. 12" spacing is recommended if you're doing diagonal decking at 45°.

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