Replacing Ceramic Tile On Shower Walls

Old 07-17-03, 05:19 PM
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Replacing Ceramic Tile On Shower Walls

After removing the old tiles in my shower I have old mastic with the trowel marks showing. Do I need to have a smooth surface when I trowel on the new mastic for the new wall tiles? If so is there anyway to fill in these grooves or will I have to remove the drywall and replace.
Old 07-17-03, 06:30 PM
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You need a clean flat surface for your new tile or you will be disappointed by the outcome. Not knowing what you have now, it is best using a cement board - Do not use greenboard within the shower. It is not designed for this location.

See this link...

Hope this helps!
Old 07-18-03, 01:50 PM
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Doug, thanks for the quick reply. I was afraid someone would tell me that. The house was built in 65 and has drywall (sheetrock) in the shower now. Guess I'll have to rip it all out and replace with backerboard. Sometimes there's just never a easy way.

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