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Thread: leaking lav drain

  1. #1

    Default leaking lav drain

    I installed a molded sink/countertop for a friend. The thickness of the material in the drain is about 2.5 to 3 inches, causing the threads of the drain pipe to project into the drain chamber. I have tried teflon tape on the threads but it continues to leak slowly around the threads. Could I try squeezing some silicone up into the cavity prior to sliding the rubber gasket up and tightening the nut?

  2. #2
    Plumber Plumber2000's Avatar
    Join Date
    Jan 2005
    Eugene, Oregon


    Yes use silicone.
    Plumber for 20+years

  3. #3


    Thanks. I will give it a try.


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