No reason why drywall would not be allowed in a commercial space with a blank slate with a large budget to get it done correctly. Just witnessed this in the last 3 larger projects I was involved in (state university VPA and the local NBC and CBS studios and a refit of Trod Nossel studioa) and their design requirements exceeded what a home theater would require, let alone the architectural and design elements.Neurorad said:Hehe, popcorn at hand, awaiting jautor's response...
For a home theater, drywall will win, sorry DEL.
Of course, hat channel or whisper clips are used for the double drywall ceiling, with R19 or rock wool above.
I doubt a drywall ceiling would be allowed in a commercial space.
Didn't see any mention of how the drywall was going to be installed, isolated, how any ductwork or similar was going to be isolated, etc.
To do it "right" using drywall it's going to cost 2-3X of a normal ceiling with insulation or similar.