I have some leftover green wall (water resistant drywall) left over from a DIY shower surround install. I was thinking about using it to replace the drywall I will have to rip out of the ceiling.
This green wall should be fine, right? It has pretty much the same properties as regular drywall? I don't think there is much difference in weight.
If you will be adding a water based texture, skim coat or flat, you need to install 1/2" board perpendicular to the joists IF 24" on center spacing. 5/8's, no problem. No vapor barrier plastic under it.... Walls require no v.b. at exterior walls with greenboard- check with your State Energy Code.
Prime before texturing too.....
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