Have a problem pipe in my barn not sure how to fix advice please?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by rdavis, Aug 4, 2014.

  1. rdavis

    rdavis New Member

    Aug 4, 2014
    Hi, I have a small insulated office area(mancave) in my barn. It has a 1" ID pvc coming thru a concrete slab. Unfortunately it cracked all the way to the slab. I tried a couple different things with no luck.

    What I have now is the pipe cut off flush with the floor. I am trying to figure out what to do with this without replacing it because not only would it require a lot of digging it's under a deck to boot.

    My first (and last) failed attempt was taking a piece of the same size pipe and turning it down in my lathe so it just fit and telescope it. Unfort the glue didn't create a seal and water squirted out of one small spot. I am tempted to try this again but with a different glue like some loctite caulking and then caulk around the seam as well. But I want to ask what you all would do?

    I just had the idea that maybe I could drill out the concrete the pipe to just enough depth to get a coupler on it but not sure if I could do that without damaging it I don't know.

    One last note i'm not afraid of hard work this is more of a time issue. I have a million other things i'm trying to get done before winter and I don't really have to have water out there but if it were something I could fix relatively quick I would do it.

    Thanks for any advice!
  2. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    Drill holes around the pipe, but near it. The use a hammer and chisel to remove the concrete between the holes. It should also break loose around the pipe. Then put a coupling on it. Since it is a water pipe, under pressure, none of your other ideas will work. They do make "insert" couplings but they are almost impossible to find, and normally you cannot buy just one.
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  4. rdavis

    rdavis New Member

    Aug 4, 2014
    Thanks. I kinda got that idea as I was typing my post but just wanted to run it by you all here. Would be doing that tonight if I could find my darn bits lol. I live in the stix so it will have to wait on the next trip to town. I didn't think the telescope idea would work but now I know.
  5. koa

    koa In the Trades

    Apr 12, 2005
    Honolulu, Hawaii
    A 3/4" PVC pipe won't quite fit, if you turn it down or some way attach it to a drill and sand it down it should glue back together with PVC cement. Also rough up the inside of existing pipe.

    A 3/4" threaded coupling or threaded nipple will fit inside 1" PVC pipe. Rough up the inside of 1" PVC and use epoxy to form a permanent bond. If this is for human potable water, epoxy is pretty inert after curing, but you might not agree. I've used quite a bit of West Systems epoxy on many things and their G-Flex is not going to come apart. Ever.
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