Reply by PaulHWood

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Posted on 14x16' Deck build and design thoughts

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467 posts in 3164 days

#1 posted 08-20-2020 04:07 PM

It also exhibits creep on longer spans. Check a park bench made of composite and they all sag in the middle over time.

I can t remember the specs, but I know that with the Trex (and other non-wood decking) you need tighter joist spacing versus wood. The decking is quite springy and get soft when in the heat. For the joist hangers, the ones I ve used in the past (Simpson) specify a certain nail. Though I really like the pull-out resistance of screws, their shear strength might make a difference so it s good advice to use what is spec d from the mfgr.

Looks like it s going to be a sweet addition to your property!

- splintergroup

-- -Paul, South Carolina Structural Engineer by trade, Crappy Woodworker by choice

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