How to Finish a Non-Factory Drywall Seam

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Finishing a non-factory drywall seam will require drywall mud and the right technique. Finish a non-factory drywall seam with help from a foreman for Lighty Contractors in this free video clip.

Part of the Video Series: Drywall Work
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Video Transcript

Good day, everyone. I’m Joshua Clement, and this is how to mud a non-factory drywall seam. Now, a lot of times people think this is really tricky, because a drywall seam that is from the factory has two beveled ends, which allows you to put your mud on there. But, all you have to do is make your mud a little bit wider on each side to help blend it in. For this job, I’m going to be using some drywall mud, a trowel, and some drywall tape. First thing we need to do is make sure that there’s no dust or anything on our seam that’ll keep the tape from sticking. After that, we’re going to take our drywall tape and run it across our seam. After that’s done, we’re going to take our drywall mud, mix it up a little bit on our tray, and then go ahead, start putting some mud on there. Now, after we’re done, we’re going to take our trowel, turn it sideways, and run it across that seam. You don’t want to push down too hard, because that’s going to take all the mud off of the top of that seam. Now, after this dries, we’re going to go back over it with a little bit more mud. This time, I’m going to take it up higher. So, put plenty of mud on there across our entire seam, and make sure that you’re going wider on it. Now, after you have all the mud on there, we’re going to take our trowel, push the top firmly against the drywall, and let the bottom of it float a little bit, and run it across. Now, as you can see, there’s a little ridge in the middle, because that’s where the drywall mud is thicker. Once this dries, you’ll go through there with a little bit of sandpaper and knock that down. And then, we’ll go ahead and do the same thing again. We’re going to come up even higher, put a lot of mud, and fade it down into this. So, after we have our mud on there, we’re going to go above it, push firm on the top, and let the bottom float. Then, go to the bottom and do the same thing. Now, in the middle, we’ll take our trowel and swipe it across pretty fast, so that way we aren’t lagging, making any extra ridges in there. So, you go straight across, and that’ll keep you from messing up the top and bottom so much to where you have just two little ridges that you can take care of with your sanding after the job is all mudded. Doing non-factory drywall seams does take a little bit longer, but you can make them look just as good as a regular factory seam. Thank you all for watching, and good luck on this project!


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