Subfloor: plywood vs. OSB

ls02 · 2010-03-06T14:13:42+00:00

Should I use plywood or T&G OSB for subfloor in new addition I ambuilding? The addition is on second story, floors are 2 X 8 16 O.C. Ichecked prices and 3/4" T&G OSB is more than twice cheaper then 3/4"plywood. I will have hydronic heated floors. There will be anotherplywood or OSB subfloor on top of base one with grooves for PEXtubing. My original idea was to use OSB everywhere except for bathsubfloor where I was going to use plywood.

Mar 06, 2010 21 Replies

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krw 16 years ago

(damned speelczechers) ^^^^^ house

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Rudy 16 years ago

This is what they used to do our latest home.

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I'd use it again without hesitation. Liquid nails AND screwed to the joists

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