![]() In order to properly plaster over wood, you need a better surface. Not only is it not the best look in your home, but it's an expensive fix, which we're trying to avoid. After that, it would slowly start to sag and fall down, eventually resulting in your wall collapsing. First, the plaster would disconnect from the wood you attached it to. If you plastered directly onto wood, you would see something very bad happen. The PVA soaks into your substrate, creating a tacky surface that allows the plaster to easily stick. Normally when laying plaster, you would skim a thin layer of PVA in order to allow your plaster to properly adhere to the surface. Long story short,never plaster over any surface without first priming and preparing it. You also can't properly plaster over porous material, so wood is even further from the realm of possibility. So first things first - why should you not directly put plaster onto wood? The answer is simple - because that's not how plaster is made! In order to adhere properly, plaster needs a primer and a surface with texture. ![]() READ NEXT: Can you use metal paint on wood? How to Plaster Over Wood We can't just tell you "yeah, but do this particular thing" without telling you what the particular thing is, that would be rude! Let's get into it. You can't just pop a bit of plaster onto some lumber and call it a day - no, that would be too easy.Ĭan you plaster over wood? Yes and no - you shouldn't directly plaster onto wood, but with the proper preparation, it is completely doable. Specifically, our question is can you plaster over wood? While the answer is technically just, "yes," there's a bit more to it. Today's topic is what you can and cannot plaster directly over. We've got another fun plastering article today! I know - you can never get enough plaster.
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