Hung ceiling tiles (on frames) in one bedroom but the concrete ceiling sagged so much it was very difficult to set the frame; so I used ceiling tiles glued to the ceiling in the other parts of the apartment. The glued ones seem to work fine. Also, made sure when using ceramic ...
Mineral wool and fiberglass soundproofing insulation can be purchased in packages of multiple panels or rolls of batts, depending on the type. They are manufactured with good tolerances and fit snugly in between wall studs and ceiling joists. They fit easily into the cavities with a friction pres...
part of the heated space. I mean not the heated space but it would insulate there. Or you could put the spray-foam insulation across the ceiling and make the attic completely unconditioned.
Hung ceiling tiles (on frames) in one bedroom but the concrete ceiling sagged so much it was very difficult to set the frame; so I used ceiling tiles glued to the ceiling in the other parts of the apartment. The glued ones seem to work...