Shower installation advice needed [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile

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Apexer
02-29-2008, 08:53 AM
Does the cement board backing on the wall need to contact the cement floor of the shower pan?

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Dan in Texas
02-29-2008, 10:17 AM
It should not contact the slab at all. Hold it up an inch to an inch and a half. The final mud bed will hold it in place. If it touches the slab it might wick up enough water over the long term to turn your grout a different color. Dan