T & G under bamboo?

Old 01-16-13, 10:16 AM
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T & G under bamboo?

I am installing a 5/8" plywood overlayment on an existing plank subfloor followed by bambood wood flooring. I was planning to buy T&G plywood (so the joints would be nice and even) until I read the posts about leaving a 1/8" gap between the plywood sheets. So I have two questions:
1) Would T&G plywood sheets be O.K.?
2) When you talk about a 1/8" gap between the sheets, do you mean on all sies or just the butt joints?

Old 01-18-13, 07:53 AM
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Welcome to the forums. I deleted the duplicate post you made this morning but moved your first post into its own thread so you would get better visibility.
Old 01-18-13, 10:43 AM
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Shane, the tongue and groove won't matter since it is a secondary subflooring. It is always good to leave a saw width's distance between any sheet goods you install. Be sure to glue it down and install decking screws intentionally missing the joists to which the planks are fastened. You want a "slip" between the two layers. It's not noticeable, but it happens.

Any more help, c'mon back.

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