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Published on May 7, 2011
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Hi Guys so today on howtodrywall.co, we gonna be giving our drywall repair "California Patch" a second and last coat hopefully. If its not good enough we could always give it another coat, but we should be able to get away with 2 coats. This is the thirid part out of four to our repair job. So we're going to start by sanding our patch a little at first, on the first coat we applied a lot of mud, so we should be able to sand our patch without worries. All we need to do is get ride of the ridges and the big lumps or lift offs. You don't need to sand lots its just a quick rough sand so its easy for us to give our second coat. If you see any of the patch itself actually coming through the mud don't sand that area anymore, you can sand lumps around it, but if the "paper" is showing through there is no point in trying to sand that area any longer. Again Jess is using his 6" Hammerend Putty Knives instead of his hawk and trowel because of the phone jack near. We are using Westrock green finish mud for our second coat, we've added a little sunlight soap to the mud, to try to help with pin holes if you watch the other videos you'll see we always put some soap in our second coat mud. When we are coating a painted surface, you'll notice that there's these damn little pin holes that keep coming back, we got a trick to get rid of those, but first why are there pin holes ? Because the water in the mud is trying to escape, and usually it can seep into the drywall, but since its painted, the surface is sealed, which leaves the water to escape through the surface instead of leaving pin holes ... So whats the trick, well you end up doing the coat 2 times. You apply the mud the first time like normal, then press really hard with your knife and remove all the mud from the wall like in the video. Then repeat, but this time we're going to do the same like a normal coat apply a lot of mud, make it nice and square. Then feather the edges real nice with the knife pressing hard on the one side, and finish with our last passes in the middle like we did in the first coat. Don't press to hard when you pass in the middle with your knife, you don't want to take all the mud off, you will want to leave a nice smooth coat. If you notice that a lot of pin holes are still going back, you can press really hard again and remove all the mud again and repeat, it will help removing the holes. We are pros with a lot of practice, don't get frustrated we did in 2 coat, but if need be you can do it in as many coats as needed. So that's the big secret, please watch video 4 where we are going to finish sand our California drywall patch.