Walls and Ceilings - drywall over board

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vicman
01-10-09, 07:33 AM
I am refinishing an addition. The ceilings and walls are 3/8" 'pressboard' in good condition but uncoated. Can I install 1/4" drywall directly over this?
thanks for any info

XSleeper
01-10-09, 12:28 PM
You "can", but I'd recommend a MINIMUM of 1/2" drywall on a ceiling. You'll get a much straighter surface if you use 1/2" on your walls too. 1/4" drywall telegraphs every bump and valley, and joints are weaker too, simply because it's not as rigid as 1/2".