7/13/2023 0 Comments Skim coat plaster walls![]() It doesn't seem to me that the plaster itself is loose, there's no exposed lath or anything like that. Once it's sealed with the plaster of paris, you can top it with joint compound Again, make sure you wet the surface first. If you don't have lath exposed and you need to just fill cracks and holes in the plaster, use plaster of paris for the base coat. Most people have a hard time getting it perfect so it's perfectly fine to use joint compound over it to get the finish perfect. Then you apply a second coat trying to get it as smooth as possible, you can use a spray bottle and wet it just a bit to cream the surface for a glass like finish. The dry lath and plaster will suck the water from the mix and it may not bond properly. But before you use it, make sure you spray the lath with some water to get it wet. If there is any large holes or lath is exposed you need to start off with a scratch coat that will bond to the lath and stick to the exposed edges of old plaster, for that I use Structo-lite a 50lb bag is cheap and will last a long time. If you have loose plaster you need to remove it, it needs to be bonded to the lath for a good repair. The whole house is plaster, and I think this must have been it, especially since the ceiling/trim in these rooms is different than other rooms in the house.ĭo you have any tips on how to fix it? I was honestly just gonna take a hammer or something to in one day and chip off the pieces that look bad then patch it again, but admittedly I know that's not a long-term solution. I was wondering why the fuck this would be happening, and knew it had to be one of the billion shitty things the people before us did, but I never knew what exactly the problem is. ![]() ![]() But these cracks go floor to ceiling and the chunks coming off are huge, but they are only in two rooms and they don't look like they're affecting the structure of the wall, just the outer layer. It's like the top layer of the wall cracked, then peeled a bit, but it's still really strong and hard, even though it looks almost like a thick wallpaper, so you can't even pull it off, you'd have to like chip it away. Oh my god, I think you just solved what's happening in my house! A few of the walls in two specific rooms are almost.peeling off? But the peeling layer is stiff and hard.
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