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How to remove drywall glued onto back splash

How to remove drywall glued onto back splash

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  #1  
Old 03-03-19, 08:00 PM
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How to remove drywall glued onto back splash

I'm remodeling a bathroom which requires moving the vanity to a new wall. It has some kind of synthetic granite top and separate back splash which was glued onto the drywall behind it. I could not get it off the wall without prying which I'm sure would have broken it so since I have to tear into that wall anyway I just cut the back splash out. Anybody have a suggestion on how to remove the drywall from the back of it?
 
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  #2  
Old 03-03-19, 08:19 PM
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It's just drywall... you should be able to chip it into pieces with a hammer and chisel, then scrape off the glue. It isn't going to come off cleanly. You could try a sawzall with a thin blade (since there is a gap started on the left that might work if someone can pry up on the drywall for you while you cut) but in all likelihood that will just turn the glue into a hot mess. Depends on if they used construction adhesive or silicone.
 
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Old 03-03-19, 09:31 PM
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I guess I'm afraid to whack on it much. I sure don't want it to break. I was thinking trying my oscillating multi-tool. Maybe to get most of the drywall off and down to the glue. Then maybe put lacquer thinner on the glue. I think is was silicone BTW.
 
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Old 03-03-19, 09:33 PM
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If it's silicone..... nothing will dissolve it. You'll have to peel it off the stone.
 
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Old 03-03-19, 09:50 PM
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I'm not saying to hit downward on it at a 90 degree angle... a glancing blow along the length, holding the chisel at a low angle. An oscilllating tool would probably work too if you want to ruin a blade. Use an old dull one. Silicone will scrape off with a razor blade.
 
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Old 03-04-19, 05:22 AM
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Soaking it in water may make it bit easier.
 
  #7  
Old 03-04-19, 05:34 AM
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My vote is soaking in water to get most of it, then use the oscillating tool with a scraper blade.
 
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