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Gap at bottom where drywall meets floor? Why?

Gap at bottom where drywall meets floor? Why?

Old 07-19-10, 04:45 AM
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Join Date: Feb 2007
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Question Gap at bottom where drywall meets floor? Why?

I have a 288 sq ft shed I've just about finished converting to a workshop "semi-live-in" space with electric, a/c, insulation, etc.. It is extremely well sealed on all edges/spaces inside and out. No plumbing.

Why do I need a 1/2" space at the bottom where the drywall sheet would meet the floor?

Why does everyone say to start at the top and work your way down? In my case it seems like starting at the bottom would be easier as I'm going to have somewhat of a cathedral style ceiling in this shed.
Old 07-19-10, 04:54 AM
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The gap off of the floor makes it harder for the drywall to 'wick up' any moisture spilt on the floor.

Hanging the ceiling first allows the rock on the wall to help support the perimeter of the ceiling's drywall and also makes for a tighter fit. If for some reason the wall was shorter than 96", you'd want that cut to be on the bottom hid by the baseboard and not at the top where it might be seen and interfer with the finishing.

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