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  1. #1
    Join Date
    May 2011

    Default Leaking water thru geothermal pipe sleeves

    I had a closed loop geothermal system installed 2 years ago and there is water leaking in basement thru the sleeves that my geothermal pipes enter basement below grade. Is there something someone knows that I can seal between the the pvc sleeve and the HDPE loop pipe to stop water from coming out of sleeve pipe.

  2. #2
    Join Date
    Jul 2010

    Default Re: Leaking water thru geothermal pipe sleeves

    For gaps like these you can use any of the following, depending on your particular need:

    1. epoxy sealant. 2. hydraulic cement. 3. caulk and foam sealant.

    They all require good prep, cleaning around the opening and the area must be dry.

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