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Kitchen Undercabinet lighting install torn vapour barrier

Kitchen Undercabinet lighting install torn vapour barrier


Old 09-20-10, 08:42 AM
Thread Starter
Join Date: Jul 2008
Location: canada
Posts: 9
Kitchen Undercabinet lighting install torn vapour barrier


I had some electrical work done to have under cabinet lights installed. Now that the lights are installed and working, I was left with the job of patching the hole in the drywall. I will then be tiling the back splash afterwords.

I don't have a lot of experience so I am trying to see if I can do this job myself or if I need to seek some professional experience. The problem I am faced with is this is an exterior wall and the vapour barrier was torn. I need to repair this vapour barrier before I can patch the drywall, and I want to repair it as good as possible. I purchased some more vapor barrier and a roll of tuck tape. I exposed another 1-inch of vapor barrier all around the hole. I am thinking I need to overlap the vapor barrier and seal with the tuck tape all around. I am thinking 1-inch of overlap is not enough as some stuff I read said to overlap at least 6 inches. The problem is now the upper part of the hole is close to the cabinets and I cant expose more vapor barrier to overlap.

Anyone know whats the best way to fix this problem?


This is a photo of the current wall.

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Old 09-20-10, 08:59 AM
Join Date: Oct 2008
Location: New England
Posts: 9,990
The one inch will be more than enough. Once your sheetrock is back in place you are 90% there anyway. I'm sure you will do a more than adequate job with the tuck tape and you are done, except for the drywall.


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