![]() It doesn't necessarily need to be an exact match but needs to be close enough that it will blend in with the texture of the wall quite nicely. 7 Things to Know About Lath and Plaster Walls Plaster is not easy to repair and is pretty expensive to install, but there are good arguments to be made for opting for lath and plaster. Match the texture of your existing plaster walls by either purchasing spray on plaster that is designed to match or imitating the texture with tools you have around the house. You want to avoid overfilling the gap as the excess will need to be sanded down, but be careful not to leave a noticeable dip in the wall either. Be careful that you do not completely fill the gap as you still need to add a layer of finishing plaster.Īllow to dry completely and then add a layer of finishing plaster. That layer is placed against the wall studs or in a masonry building against the masonry wall. Above the product includes an insulating layer of up to 1/2' of wood or paper fiber insulating board on its innermost layer. Poking holes in plaster walls can leave bare lath flapping and loosens the plaster surrounding the opening. Moisten once again with a damp cloth or sponge and then add more patching plaster. But this is not the only type of plaster lath board or gypsum lath board found in homes. ![]() Once this plaster has hardened to a tacky thickness you will want to score it so that the next layer of putty will stick to it and then allow it to dry completely. Lay drywall tape around the edges of the drywall. Space the screws about 6 inches apart around the edges and about 12 inches apart in the center of the rectangle. If there’s no stud to anchor a lath end, slip a piece of lath into the cavity and screw it to the back of the existing ones, parallel with the studs. Use drywall screws, and always drill pilot holes to avoid splitting the wood. Smooth the edges of the repair, then set the drywall inside the rectangle and screw it in place with 1 1/4-inch drywall screws. Step 1 Fix the Lath Photo by Ben Stechschulte Replace any missing lengths of lath, and refasten all loose pieces. A putty knife is an excellent tool for this job. Collect the plaster pieces in a garbage bag for disposal. There’s a lot of grit, so wear goggles, too. ![]() taping knives a mason’s hawk and a respirator if you’ll be removing or cutting into plaster. Use a sponge to slightly moisten the area and then fill it half full with patching plaster. The tools needed for plaster repair are much the same as those needed for drywall repair: a screw gun or cordless drill 6-in.
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