8/23/2023 0 Comments Drywall bubbles after skim coatRemoving all glue with pump sprayer, hot water and paste removing soap is the answer. The reaction is so adverse that you can never be sure of the bond. Jonathan Diepstra, Estimator, The Bouma Corporation, Grand Rapids, MI After the Durabond has set, I would take my 14" knife and skim the surface with topping and lightly sand, making the wall ready for paint. There always is a little glue residue that will cause the surface to bubble up especially after paint is applied. I would use Durabond with a 14" knife and apply a skim coat for my first coat. Kirk Lewis, President, Kirk Lewis Drywall L.L.C., Gladstone, MO When that happens you have to sand cut and skim many times to get the same results. I’ve tried to just skim the walls with quick set or topping but it seems to lift the paper and create a large number of bubbles and blisters. You may get a very small amount of bubbles if so, cut them out, touch up with quick set, then finish coat. When it dries I usually skim the walls with a quick-setting compound and then a finish coat with a topping finishing compound. On extremely separated papered areas it may take two coats. This will soak into the paper and cause it to bond to a hard surface. I’ve repaired more of this than I like but the best way I’ve found, mainly for larger areas, is to first roll a coat of shellac on the stripped areas. What’s the best approach? Is a 12" knife large enough? There shouldn’t be any moisture problems from the mud causing the glue to separate from the wall surface. There's little damage to the drywall surface most of the top layer of wallpaper has been removed. You will need to skim coat the entire area to repair the walls. March 2007 Your customer has removed the wallpaper in a large area that includes a stairway, hallways, a foyer and a small room.
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