![]() This leads to an interesting thought about knockdown textures in general. In essence, doing it this way turns it into a sand-down texture rather than a knockdown texture. Once the texture dries, you can take a simple sanding sponge and lightly sand the texture to blend it into the existing texture. This way, you avoid the problem of one section being knocked down too much and another section not being knocked down enough. When spraying knockdown texture over a patch, it is better to focus on the size and distribution of the blobs and not to worry about knocking it down until it is completely dry. To solve this problem, it is best when doing drywall repair to let sprayed texture dry in place without knocking it down. On the other hand, if you wait until the area over the painted section is ready, the texture on the patch will be too dry. If you try to knock down the texture when the patch section is ready, the texture on the existing paint will be too wet and will simply smear out into an indistinguishable mess. Finish coat mud on the repair tends to suck moisture out of the texture and hasten it's dry time.īecause of this problem, when you are trying to find the perfect time to knock down your texture you are faced with the following dilemma. When texturing a repair, you have to spray at least some texture lightly over part of the surrounding painted section to blend the new texture with the old.īlobs of texture sprayed over the painted portion will set up much slower than those sprayed directly over the patch. The main problem with spraying knockdown texture on a patch is that the area surrounding the repair is usually painted. ![]() The problem with knockdown texture on drywall patches Scratches and tool marks in a knockdown texture are nearly impossible to fix so it is best to avoid them in the first place. If the mud has set too much before knocking it down, it will tend to chunk up and may even leave scratches and dried clumps of mud that drag through the leftover blobs. If the mud has not set enough, it will smear easily, causing the small blobs to smooth out into a large thin island. To do a good knockdown drywall texture you have to be able to reliably estimate the moment when the mud has set just enough but not too much before knocking it down. Drywall Cornerbead Taping Key to a good Knockdown Texture ![]()
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