Here, they have to put adhesive up as there was a lawsuit against several townhome builders where the ceiling sheetrock collapsed on owners. 'rockers used nails only-no screws.
I've had several nails get popped because of the "truss" floor flex. I got mad a the crappy Sears Shop vac, kicked it and threw it down (anger issue with the *%^^! wheels that won't roll) on bedroom subfloor (before new carpet...pulled out all nails and replaced with deck screws).
Next day, I am looking at living room ceiling and HOLY !!!! (they only used nails...I went back and put fields of screws 1" off the nail heads, pulled nails out and filled).
When I remodeled the basement, the association contact told me to use adhesive and screws for ceilings. Stuff was cheap (case of liquid nails drywall adhesive big tubes). Since I was below grade, I did green sheets and screws.
That's the condo association not code. I used adhesive when I put up some drywall ceilings but I did it for sound proofing. You use this green sound proofing adhesive then put it all over the drywall and attach a second piece of drywall.
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