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Thread: Still struggling to find shower leak:

  1. #1
    DIY Member oldberkeley's Avatar
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    Default Still struggling to find shower leak:

    I removed the shower head and capped the shower pipe stem with a threaded cap.

    Turned on the water, left it for 15 minutes, no leak in the basement.

    Question: Can I now safely assume that the leak is not in the pipes behind the wall?

    TIA.

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    Probably, but depending on the path the water needs to take, not certain. How long does it take for water to appear when you are showering? If it shows up in less than the 15-minutes you allowed, it's likely not the pipes.

    Is this a tiled shower, a preformed shower receptor, a one-piece surround, or what? Does the floor flex when you stand and move around in the shoewr?
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Is it a tub with shower or just a shower?

    I saw on TV the other day a leak that was activated by the tub filler diverter. When the tub was filled there was no leak but when the divertor was pulled the pipe leaked like a mother. I have never seen this before but who knows this might be the cause in your case.

    JW


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  4. #4
    Retired Defense Industry Engineer jadnashua's Avatar
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    Quote Originally Posted by johnfrwhipple View Post
    Is it a tub with shower or just a shower?

    I saw on TV the other day a leak that was activated by the tub filler diverter. When the tub was filled there was no leak but when the divertor was pulled the pipe leaked like a mother. I have never seen this before but who knows this might be the cause in your case.

    JW
    When just filling the tub, there's no (well, practically no) resistance to the water flow, and it just flows out the spout. WHen you activate the diverter spout, it caps the spout off and forces water out (hopefully only) the shower head. If there's any poor connection (say missing pipe dope/tape, split el, or a bad o-ring in a push on) in the path to the spout, it could easily also flow out into the wall.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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