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Cealing drywall.

Posted by Steve on January 31st, 2000 11:15 PM
In reply to How thick should my ceiling drywall be? by VinM on January 31st, 2000 09:08 AM [Go to top of thread]

I once used 1/2" drywall in a hallway that had a celing with 20" in between 2 joists. You wouldn't think it would matter but it while tapping I noticed it sagged at the edges.
3/8" I wouldn't even think would be up to code on a ceiling and probably would sag - also it does puncture more easily. 1/2" is whats recommended for 16" on center and would probably be sufficient. 5/8" is heavier but its also stiffer so if your using longer sheets its not shaped like a bow while your trying to screw it to the celing. I would use at least 1/2" and rent a drywall hoist. If if you have help its still worth it.
Also stagger the seams - if you put all the butt end seams on the same joist it will probably crack on the seam.

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