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I want to put a tile floor in the family room. Have a 2×6 T&G decking subfloor over 2×12 joists 16″ OC. Would a 7/16th CBU be an adequate underlayment over the decking?
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yes
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*That sounds like one heckuva floor. If the span isn't too great and the floor feels sturdy as is, tile on.Go to bed, Andrew.
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I want to put a tile floor in the family room. Have a 2x6 T&G decking subfloor over 2x12 joists 16" OC. Would a 7/16th CBU be an adequate underlayment over the decking?