Sagging Plaster Ceiling Screws

To reattach the sagging plaster to the lath drive the washer with a power screwdriver or drill so that it penetrates the wood lath wall studs or ceiling joists.

Sagging plaster ceiling screws.

Should i use 6 or 8 thickness. The adhesive will seep out through the drywall screw holes. If your ceiling drywall is. You either have to replace 1 2 in.

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. What old house owner doesn t have a cracking or sagging plaster ceiling in need of repair somewhere. 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. Ceiling drywall that sags between joists or trusses is sometimes called pillowed drywall.

Position the pilot holes 2 inches apart and make a circle with them around the loose plaster ceiling. Fixing a sagging plaster ceiling. Secure sagging plaster to the lath above by using screws and plastic washers. Sagging in a ceiling may be caused by undersized drywall.

Or 1 1 4 long is sufficient. Insert a 1 5 8 inch drywall screw through the center of a plaster washer. Remove loose plaster from any holes in the ceiling. 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.

Repairs become a bit more complicated when the plaster is sagging. Thick and either screw it to the ceiling or prop it up with wooden supports from below. What screws to use with plaster washers in a sagging plaster ceiling. You can use plywood 1 4 in.

Don t forget to cover the plywood facing the ceiling with polyethylene plastic so it doesn t bond to the glue. 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. Use a utility knife to create a smooth edge. Plaster is 3 8 lath is 1 2.

Allow the glue to cure for the time specified on the label directions. Or add furring strips and a second layer of 5 8 in. Laths are the wood slats that run perpendicular to the joists. Insert drywall screws with washers in the holes to draw the sagging plaster ceiling upward on the lath.

Now the ceiling needs to be pressed upward until the plaster is back against the lath just where it belongs.