Thread: tub surround
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Unread 11-01-2004, 04:11 PM   #1
Jim in VA
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Join Date: Nov 2004
Posts: 2
tub surround

In constructing the tile walls inside the bathtub area, is it common practice to install cement board over WR drywall, vs right to the studs? I'd like to build a strong wall, maybe even with some sound attenuation. Could I start by covering the walls with 1/2" green board, then install the cement board on top of the green board? The Permabase literature seems to indicate this, but details such as vapor barrier are left out. What I'm considering is 1/2" greenboard under 1/2" cement board to the "standard" height, then 2 layers of 1/2" green drywall in the 12-18" above the tiled surface. If this is OK, is a polyethylene or felt paper vapor barrier still used under the cement board?
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