How to install Sheetrock over broken Plaster Ceiling
Our 1890's plaster ceiling is pretty messed up and cannot be saved, so we're going to put new sheetrock over it. The attic insulation is sitting right on top of the plaster so I'm leaving what's left of it up there.
I've been reading the USG sheetrock guidebook and am confused as to the best way to do this. Could experienced dryall installers help me decide what to do?
Should we install "resilient channels" spaced 4'0", attached through the plaster into the ceiling joists with longer "Type S" screws?
Should we install just one layer of regular 1-5/8" metal studs or hat channels as "furring" directly through the plaster into the ceiling joists?
Do we need to install a new set of channels perpedicular to the joists spaced at 4'0", and then another bunch of furring at 16" in addition to it?
Thanks a lot!