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skim coat bubbling

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rt520

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I recently put on the first layer of skim coat and after it dried I noticed that it is bubbling up. I started to scrap away where the bubbles are but I've been taking a lot of dry wall paper past the areas that are not bubbled up. Should I continue to peel the paper even if it is not bubbling? I was thinking about using a razor knife to cut around where it is bubbling and scraping inside that area. Then once I finish I will apply primer and then skim coat over that. Thanks!! :help:
 

oldognewtrick

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Scrape any loose or bubbled area, hit it with some paint, then skim coat with drywall mud. I've had that happen before and it worked out well for me.
 

jeffmattero76

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I would advise painting the wall with a product called Gardz. It goes on and seals or even glues any wallpaper or bubbling paint to the wall leaving a surface that feels like a coat of plastic. My drywall finisher turned me on to this product years ago and I habe been using it ever since.
 

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