Quote Originally Posted by smileyroget
... constant tempature and humidity....
won'T be a problem. Your constants are the best of all assurances.

i find that drywall can either be very airy and fluffy, or hard, solid and dense. A big difference.

Then, if your screws through the CBU went into studs, and the drywall was the light kind, you'd have little to worry about in my opinion... but i may get corrected when someone who knows more than i do comes in and comments.