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Tips on removing lower section of drywall along exterior wall

Tips on removing lower section of drywall along exterior wall


  #1  
Old 10-10-21, 05:16 PM
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Tips on removing lower section of drywall along exterior wall

See pic. I need to remove about 4 inches of drywall between the 2-2x2s you see on the wall. I am running a drain line and supply lines to/from a vanity along this exterior wall. I want the plumbing in the warm side of the insulation so it doesn’t freeze. So I am going to build a small chase to hide the pipes. In order to minimize how far out the chase sticks out, I am removing the drywall where the the 1.5” drain will run to gain an extra 5/8” of space.

I’m looking for feedback on the best way to remove this section of dry wall. I can’t use a drywall saw as there is vapor barrier behind the drywall that I don’t want to cut. Any suggestions on best methods?


 
  #2  
Old 10-10-21, 05:20 PM
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Score and snap with a utility knife.
 
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Old 10-10-21, 05:22 PM
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Cut the vapor barrier and tape it up after you are done.
 
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Old 10-10-21, 07:34 PM
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I got it all out but did damage the vapor barrier in a few spots. What kind of tape do I use to fix it?
 
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Old 10-10-21, 07:40 PM
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Tyvek tape will work or seaming tape.

https://www.homedepot.com/p/3M-1-89-...B&gclsrc=aw.ds
 
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Old 10-11-21, 05:49 AM
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Since there are only about 10 small punctures and one cut about 12 inches long, is it even worth buying the tape? I don't mind spending 15$ if it is important, but if it isn't going to make a difference I'll save the money. Thoughts?
 
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Old 10-11-21, 07:52 AM
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I'd use duct tape and pray it stays stuck.
 
 

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