The best way to mix drywall mud using a drill is to have it at a moderate speed and keep the paddle in the mixture until it has finished mixing.Īnother thing to consider is using a different kind of drywall mud. When using a drill to mix your drywall mud, don’t have it on a very high-speed setting as this will add too much air to the mixture.Īdditionally, don’t use a plunging action when mixing the mud, as this too will suck air into it. You also need to ensure you’re not over-mixing the mud, as this can trap air inside the mixture which will cause bubbling when applied. There are some slower drying alternatives that you can consider if you find you’re constantly having to deal with this problem. If you’re using a rapid-setting mud, make sure you’re only mixing up small batches at a time because otherwise it’ll dry too quickly and become impossible to use correctly. When it comes to bubbles in drywall mud, you can solve the problem a lot of the time by just changing the way you’re mixing your drywall mud. Different solutions may work for different installation jobs, so if any of the tips in this article don’t work for you, keep trying until you find the perfect fix. Thankfully, there’s a wide range of solutions to help you prevent annoying drywall mud bubbles. How Do You Prevent Bubbles in Drywall Mud? You need to make sure you clean all of the drywall dust off first because any left on there can get trapped under the mud and cause unsightly bubbles. One final reason drywall mud can bubble is that you didn’t properly prepare the surface you’re applying it to. If you mix drywall mud incorrectly, it can also cause bubbles because overmixing can add in pockets of air. When applying drywall mud to a previously painted surface, using too thick a layer or not properly scraping it can also add air to the drywall mud and cause bubbles. However, a painted drywall won’t do this, and any bubbles in the drywall mud will escape through the surface. Unpainted drywall is porous, and it’ll allow any of the air bubbles in the drywall mud to escape through the paper and back into the rock. It’s a common problem when installing drywall, but knowing the causes as to why your drywall mud gets air bubbles will help you to understand the solutions.ĭrywall mud bubbling will only occur when applying the mud on a surface that has already been painted. If you’re asking yourself this question, you’re not alone. If you read anything online talking about joint compounds, know that they mean drywall mud. They’re just different names for the same thing. Let’s start by clearing up a common question for those who might be new to installing drywall: is there a difference between drywall mud and joint compound? The answer is no. Is There a Difference Between Drywall Mud and Joint Compound? Keep reading to get more information on why your drywall is bubbling and how you can prevent this from happening. To prevent air bubbles from forming, mix your drywall mud properly, only use fresh drywall mud, and apply correctly. Because the painted surface is sealed, the bubbles in the drywall mud escape through the mud’s surface. Your drywall mud bubbles when it’s applied to a painted drywall surface. Whether you’re a skilled tradesperson or someone doing DIY work on their home on the weekend, you may be wondering to yourself, “why does my drywall mud get air bubbles?” We may also earn commissions if you purchase products from other retailers after clicking on a link from our site.īubbles in drywall mud aren’t only unsightly and annoying, but it often seems like they’re impossible to prevent. As an Amazon Associate, we earn from qualifying purchases. Affiliate Disclaimer: This page may contain affiliate links.
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