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river rock tile in bathroom

I have never done this before. Can I put this tile on existing floor, or do I need cement board underneath it?

Re: river rock tile in bathroom

I would need more information concerning your existing floor to fully answer this question but unless you have a concrete floor, in most cases it should be installed over cement board or hardy backer board.
Cyril Prendergast
Kitchen, Bath & Home Contractor
Serving the Hudson Valley, New York


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