Sagging Plaster Ceiling Screws

You can use plywood 1 4 in.

Sagging plaster ceiling screws.

The adhesive will seep out through the drywall screw holes. Or 1 1 4 long is sufficient. Laths are the wood slats that run perpendicular to the joists. Ceiling drywall that sags between joists or trusses is sometimes called pillowed drywall.

What screws to use with plaster washers in a sagging plaster ceiling. What old house owner doesn t have a cracking or sagging plaster ceiling in need of repair somewhere. Insert a 1 5 8 inch drywall screw through the center of a plaster washer. Repairs become a bit more complicated when the plaster is sagging.

Or add furring strips and a second layer of 5 8 in. Drill 1 8 inch pilot holes for the new screws. Remove loose plaster from any holes in the ceiling. Besides the normal wear and tear of living plaster and lath ceilings are at the mercy of gravity and they can take only so many water leaks and structural movements before they pull away from the framing.

Should i use 6 or 8 thickness. Allow the glue to cure for the time specified on the label directions. Plaster is 3 8 lath is 1 2. Don t forget to cover the plywood facing the ceiling with polyethylene plastic so it doesn t bond to the glue.

Use a utility knife to create a smooth edge. Insert drywall screws with washers in the holes to draw the sagging plaster ceiling upward on the lath. Thick and either screw it to the ceiling or prop it up with wooden supports from below. And regular drywall screws or deck screws to prevent corrosion emanating from plaster.

Sagging in a ceiling may be caused by undersized drywall. Secure sagging plaster to the lath above by using screws and plastic washers. To avoid cracking the plaster and creating an even bigger repair job don t pull the plaster tight to the lath in a single motion. If your ceiling drywall is.

Position the pilot holes 2 inches apart and make a circle with them around the loose plaster ceiling. This means that the plaster keys have come loose from the wood or wire lath that supports it which is a big problem for ceilings. Fixing a sagging plaster ceiling. You either have to replace 1 2 in.

Use your drill to drive the screw into the sagging plaster a few inches from the edge of any holes you created in step 1.