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  1. #1
    Join Date
    Sep 2009
    Posts
    37

    Default Recommendations for 1/2 leaking gap in shower walls

    In my shower there is a 1/2 gap between the tub and the three walls. In the past I have caulked the area. Currently there is several cracks in the caulking allowing water to get behind the wall and leak into the ceiling below. The leak just began so I don't believe there is any mold or damage other than the stain. I know the solution should be to remove the tile install cement board and membrane and re tile. The other solution I may do will be to re caulk and install bull nose tile to cover the 1/2 gap. Does anyone have any recommendations for this issue?

  2. #2
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    7,760

    Default Re: Recommendations for 1/2 leaking gap in shower walls

    1/2" gap is very big. It looks like the tiles were poorly installed.

    Your #2 idea is the more economical solution.

    But here is something you can do, that is easy and cheap:

    1. Clean the area well, remove old caulking, mildew, etc.
    2. Get a 1/2" foam rod, cut it to the desired length, place in the gap and caulk around it. Make sure it sits snugly in the gap. This product is a filler, and is available at home centers.

  3. #3
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    3,201

    Default Re: Recommendations for 1/2 leaking gap in shower walls

    The idea of the backer rod is a good one. I'd use only 100% silicone as the caulking to seal in a wet area.


    Why has the tub dropped? Assuming the tiles havent risen....

  4. #4
    Join Date
    Sep 2009
    Posts
    37

    Default Re: Recommendations for 1/2 leaking gap in shower walls

    Thanks DJ1. I will try that.

    I don't think the tub has dropped. I just think the tile was not installed correctly when the house was built and the tiler didn't want to make additional cuts.

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