One of the new deep-sensing stud finders will help you find the location of wall frame members if the lath alone isn’t thick enough to hold the screws. As long as the drywall screws sink at least an inch into underlying wood, you can count on a long lasting wall surface. You’d need to prop each piece of drywall until the stuff dried, and even then it would probably pop off in time since it relies on the solidity of the old plaster underneath for strength. As for adhesive, I can’t imagine how that would work. The new wall surface remains stable, smooth and crack-free three years after installation. I also happen to know of one large public building where the procedure worked wonderfully. I’ve never heard any warnings against installing drywall over plaster, as long as it’s backed by solid wood or lath that’s thick enough to anchor drywall screws. What about construction adhesive instead? Can we do this? I’ve heard that you can’t screw drywall down in situations like this. Even the scrap bits that were too short to do anything useful with were good- as kindling.We’re fixing an older home with plaster walls and want to apply drywall over top. We have used them to build garden trellises and other crafty stuff. The plaster has to go to the dump, unfortunately, but the lath strips, if you save them into long enough pieces, can be useful. Even my professional nail gun wouldn't touch them. If the studs are hardwood like ours are, you'll be predrilling and screwing to get those 2x4's sistered on. ![]() Installing drywall over plaster is the same as installing it anywhere else except you may need longer fasteners (nails/screws). First you need to solve the water intrusion issue that damaged your plaster, or the drywall will end up being damaged the same way the plaster was. That's too far for drywall for it to be stable and solid-feeling. Yes, you can install drywall directly over plastered walls. A lot of the older homes were built 24" on center. if your existing studs are further apart than 16" on center, then add in some studs between them. Sister some 2x4's onto the existing studs, and attach the drywall to those. It is an exercise in futility putting drywall on studs where plaster had been. So if you want your plaster removed and replaced with. The cost of having lath and plaster removed is 3.92 to 6.80 per square foot. So if you’re just drywalling over plaster, those will be your costs. Many nails would break off when I tried to extract them. How Much Does It Cost To Replace Plaster Walls With Drywall Drywall costs about 1.50 to 3.00 per square foot for material and labor. I nicknamed it "The Big Ole Bust-It-Up Bar". Did I mention some of the boards have branches still sticking out of them? It really is like they chopped down whatever trees were there and made boards whatever size the trees were. Most of the studs are hardwood and not any particular size. ![]() We bought a 150 year old pile of a house, which is partially drywall over log cabin, and partially plaster. Scratch coat: The first coat is called the scratch coat and is applied at 3/8 inch. "Also learned that the framing under plaster walls is not suitable for drywall." Boro Plastering works with a ratio of three-to-one, bags of sand to bags of gypsum, for their rough coats.
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