Use a straightedge to guide your knife as you cut the wallboard along these layout lines.

Insert the wallboard patch into the hole and drive screws through the wallboard patch into each wallboard repair clip.p>\n

If the sagging is slight, or covers a small area, you can reattach the plaster to the wood lath by using long drywall screws fitted with plaster washers.

However, consider the effect of the steel hammer on the galvanized layer as shown, usually very thin on the plumbing strap aside from the raw edges. jpg\"/>\n

From a piece of scrap drywall, cut a patch that completely covers the hole in the wall. 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.

Plaster sags from ceilings or bulges from walls when the plaster keys embedded around the wood lath break loose. It takes a few years to season inland newcomers, and even if they care there often are no good solutions, so these rust/corrosion problems do come up from time to time.

Many older houses have plaster walls and ceilings with wood lath f","noIndex":0,"noFollow":0},"content":"

If you live in an older home with sagging plaster on your walls and ceilings, you can fix it.Then tighten each of them slowly, moving from one to another, so that the plaster gradually pulls tight against the lath. Place a large enough sheet of ply or similar material over the bulging area and wedge it back up with a sturdy length of timber from the floor below. As for cutting all the divots in the old plaster and on the fracture edges no less, that is a relatively weak support. Floridians concerned with the coastal humidity festival and rusting steel in plaster might use thinnest stainless sheet scrap in the same way.