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Unread 11-07-2005, 08:22 AM   #8
silverfox
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Join Date: Sep 2005
Posts: 181
You mentioned the 5/8" exterior ply over the old 5/8" ply...I don't know if you realize that you still need to use a CBU over that to install your tile. Or, if you have height problems, you could use a decoupling membrane like Ditra.
Mike
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