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  1. #1
    Join Date
    Jan 2010
    Location
    Ohio
    Posts
    1

    Default Insulation under kitchen sink

    My Kitchen sink cabinet is on and outside wall of a brick 2 story. The previous owners obviously have done some work on the pipe that goes to the ouside faucet under the sink. By doing this they removed the back panel of the cabinet. They stuffed some pink insulation and tried to seal things off, but it did not work. There is a tremensous amound of cold air coming from under the sink, and it is pretty drafty in the kitchen and it makes the tile floor cold. It seems like it would be difficult to put a back on the cabinet with it in place. My question is...Is there a way to make things more air tight under the sink and create a more comfortable enviornment that would not be too labor entensive? I have sprayed some foam insulation around the pipes to the outside, and that helped a little, but its still pretty drafty!!! Sugguestions?

  2. #2
    Join Date
    Jan 2010
    Location
    Northern Virginia
    Posts
    1,131

    Default Re: Insulation under kitchen sink

    You could pack any other gaps with rock wool (not loose-fill type, but batts) which is a lot more dense than fiberglass.
    S_M
    Remove not the ancient landmark, which your fathers have set.

  3. #3
    Join Date
    Jan 2010
    Location
    Wisconsin
    Posts
    80

    Default Re: Insulation under kitchen sink

    Hello, believe it or not this is a common issue with alot of homes. If there is a outside hose bibb(faucet)and it can only be accessed from under the sink this is common. Purchase some DOW foam in a can(blue, black & white can) low expanding. This works much better. It stays pliable and you can actually pack it tight if you like. Best of all,unlike other foams you can remove it very easily if and when you need to. Fill Holes with as much pink fiberglass insulation as you can. Apply plastic vapor barrier, then you can but some PINK polystyrene foam board. Cut a nice size to fit against back cabinet wall. Tape seams as needed.This is about the best that can be done with how the pipes are located there. It really cant be a permanent thing because you have to access it if needed in future. hope this helps.GregC
    Hidden Content GregC, President/Founder of Hidden Content

  4. #4
    Join Date
    Dec 2009
    Location
    Casper, Wyoming
    Posts
    159

    Default Re: Insulation under kitchen sink

    I have actually seen foam board used with plastic vapor barrier to insulate a small storage room in a basement. I think this combination will decrease the draft from the cabinet.
    _________
    Networx.com
    We provide the latest information on how to fix, renovate, and decorate your house using the least amount of resources for the best value.

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