Uneven ceilings typically occur after water has dripped through the roof and soaked the insulation. This causes warping in the interior plaster or drywall ceiling. In other instances, a home that has been left vacant for a long period of time may also develop a sagging or uneven ceiling as the inside temperature is not regulated by heating or air conditioning. Regardless of the cause, an uneven ceiling can be cut out and replaced.
Instructions
1. Place drop cloths under the damaged portion of the ceiling then set a stool directly under the uneven area.
2. Put on safety glasses, work gloves and a dust mask.
3. Stand on the stool and break out the uneven part of the drywall or plaster ceiling with a chisel hammer. Pull out any loose pieces by hand and remove all of the uneven portion of the ceiling. Be aware that if you're working in an older home, asbestos may be present. If this is the case, stop immediately and hire a professional contractor.
4. Cut out the area in the ceiling with a drywall saw to create an even, square or rectangle space to insert and fasten a patch of drywall.
5. Fasten the drywall patch to the exposed ceiling studs with drywall screws then tape the edges of the patch and cover the tape with joint compound. Sand the compound with 80- to 100-grit sandpaper then conceal the patch with paint to finish.