1/4" subfloor on concrete basement?


Old 01-09-07, 02:15 PM
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Question 1/4" subfloor on concrete basement?

I'm finishing a lower level of a modified split level house, it is half underground but there is still another lower level. The floor is completely dry. The builders finished a bathroom & landing on that level and I don't want to have the flooring at very different levels. Can I just lay 1/4" OSB right on the concrete (then pad and carpet) for a slightly warmer feel? If so, should that be glued down or floating for expansion? What about spacing at sides? Any other suggestions greatly appreciated.
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Old 01-09-07, 03:49 PM
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Welcome to the forums! No, you don't want to lay any type panel directly on the concrete. The padding and carpeting will be about as warm as it will get. Adding the wood won't help at all, and should the concrete sweat, the wood will rot. At least the padding and carpet stand a chance of drying in place.

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