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Installing Cement Board Around Bathtub

Posted by Billy on November 24th, 2001 09:23 PM

5 of 8 people found this post helpful

I have a few questions about installing cement board around a tub, prior to finishing with ceramic tile.

1. Do I overlap the cement board over the nailing flange on the tub, or do I place it above the nailing flange?

2. Is it a problem to use 5/8" exterior plywood under the cement board (and behind the nailing flange)? I want a substrate that will support grab bars.

3. I will use 15 lb roofing felt between the cement board and the plywood. Is this sufficient?

Is there anything else I should consider?

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