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Thread: What is the best plumbers epoxy or glue for PVC?

  1. #1

    Default What is the best plumbers epoxy or glue for PVC?

    In order to make a very strange but neccessary PVC drain trap arrangement work I must somehow glue an 1 -1/2" PVC male threaded adapter into
    the female end of a regular 1-1/2" PVC T fitting (meantfor glueing with PVC cement). Its a fairly close fit(though obviously not intended for this ). If I fill it with epoxy so it oozes out when the two are joined, will this permanently seal the joint? I need an epoxy that will bond this together permanently and never leak. If I can achieve this it will save me a WHOLE lot of work.

    The reason I must do this is because the old PVC trap parts are from a
    company that went out of business and new stuff won't thread on. Getting rid of the old is a big job because it is barely accessible and glued on. So I must add on
    with a new T which must be epoxy'd on.

    Can I count on this staying sealed and what's the best product to use that will bond to PVC and hold up over time for wide joints.

    Thanks for your help.


  2. #2
    Plumber jimbo's Avatar
    Join Date
    Aug 2004
    San Diego


    This kind of kluge would never be accepted by an inspector. The only approved method of joining PVC is with proper solvent cement, and this does not apply to a fitting with threads.

  3. #3


    I agree. Sounds like you may have some sort of european or other odd thread. I would cut the pipe beyond the threaded part and if the actual pipe is a standard size, glue in a union. If the pipe is an odd size, use a rubber transition fitting (banded or hubless) and a couple of clamps to make it fit. Odds are when trying to glue on a threaded fitting, the size will be just odd enough to create a long lived leak.
    Last edited by Terry; 05-28-2006 at 08:37 AM.

  4. #4
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default trap

    If you sent us a picture of what you are trying to accomplish it would help a lot, since the description seems a bit illogical. But they also make street "trap adapters" that glue into a bell/socket of a fitting.

  5. #5
    Forum Admin, Expert Plumber Terry's Avatar
    Join Date
    Aug 2004
    Bothell, Washington
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    Sometimes you can pull out or chip out the pipe or fittings.

    That's how I attack these things. Go back to where you can use the right fittings.

    If I'm removing a pipe from a fitting, I saw it off even with the hub,
    Then make two cuts about 3/8" apart on the pipe, carefull to not cut through the hub.
    The with a flat blade screwdriver, you can start working the pipe away from the hub starting with the 3/8" section.

    You should be able to snap out the old pipe, and you will be ready to glue in a different pipe or fitting.

  6. #6


    Thanks I'll try that


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