1/2" or 5/8" drywall?


Old 06-04-07, 01:56 PM
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1/2" or 5/8" drywall?

Is 1/2" sufficient for ceiling installation, or do I need to use 5/8" drywall? About half of the ceiling has the joists spaced at 12" and the rest is 16".
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Old 06-04-07, 03:14 PM
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Depends on how much help you have. IMO, 1/2" is quite sufficient on ceilings. 1/8" may not seem like much, but it is 1/5th of the total weight of the drywall. So you take that weight off, and it makes for a happier day.
Old 06-04-07, 03:31 PM
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Ya, while 5/8" might be preffered, most use 1/2" many even use it on 24" centers unless you have some uneven joists - yours should be fine.
Old 06-13-07, 11:22 AM
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One off the wall thought since you didn't specify where the ceiling was. Many building codes require 5/8" drywall in the ceiling of an attached garage, as well as on the walls adjoining the dwelling...
Old 06-13-07, 05:45 PM
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I put 5/8" sheetrock on any ceiling I do, no matter what the ceiling joist spacing is. 5/8" sheetrock is stiffer and stronger. When finished it gives a very smooth look to the ceiling. With 1/2" sheetrock, it is weaker, and can develop sags between the joists, giving the ceiling a wavy look after it is instaled. Thats how I do it.
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