If your ceiling drywall is sagging between joists, sometimes called "pillowing," it's probably on the top floor and attached to the roof trusses. If so, there's a good chance the installers used 1 ...

Also, plaster finish is far more difficult to patch than drywall. However, a sagging ceiling isn't always caused by a broken key. Often it is caused when someone missteps in the attic -- setting ...

My basement is unfinished and I want to install fiberglass insulation between the exposed floor joists in the ceiling ... can I keep the insulation from sagging and falling down after it has ...