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Thread: Broken Waste Pipe - Repairing it and looking for answers in Vancouver

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    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default Broken Waste Pipe - Repairing it and looking for answers in Vancouver

    So my Journey Man called me yesterday to let me know we had an issue at my house. I was out quoting a new project and David was returning some gear to the house. He noticed a strange drip on some Ram Board that we had stored UNDER my backyard covered deck. I did say UNDER. He called me and send a few pictures. I viewed them, made a 180 for home and asked him to start ripping down the soffit material.

    Here is what we found.





    As soon as I say these pictures I zipped back home.

    David had the soffit down by the time I showed up.





    Cont...


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    ACO Shower Drain Sales johnfrwhipple's Avatar
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    We found the source of the ooze. A mix of dishwaher water, dish water, spray foam all fighting it's way out the bottom side of this spray foam.





    Cracked right after the coupling.



    I carved out some of the spray foam and used my Japanese Pull saw to cut out the coupling and prep for a repair.



    I thought I might find a belly and perhaps this area was sagged and maybe froze but the pipe was perfectly clean. That's one positive so far.


    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.

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    ACO Shower Drain Sales johnfrwhipple's Avatar
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    I cut a piece of ABS about 3/16" smaller than my void in the line. Removed the collars from two MJ fittings and stuck them on my short section of 2" ABS pipe. I rolled the ends back like you do when putting on a condom. This part is tough and requires good hand strength to do.





    You can see the left side is flipped back. This is the tricky part and once you get the MJ rubber pieces sitting just right it's time to place the gear clamp collars back on.



    That was the easy part. Now I have to let this wet lumber dry out, and re-install the soffits!

    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.

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    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Questions.

    I feel like there is a number of potential reasons this happen.

    One I believe that my outside post has settled a good 5/8" and this pulled down the corner of the house. Evidence of this is apperent in my kitchen and I think because the waste line is spray foamed it bent and then snapped at the weakest point.


    I also wonder if it is because I had poor coverage over the bottom side of the waste pipe and perhaps it was a freeze thaw, freeze thaw issue that weaken the ABS pipe.

    I'm shocked at the oouze texture. It's like it became a slim running through the spray foam. I think had the liquids can through as liquids this would have been spotted earlier. Does spray foam mix with water? Weird.

    Any insight would be a help.

    Thanks guys.

    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.

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    Moderator & Master Plumber hj's Avatar
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    Rolling the rubbers back and installing the piece is usually the "easy part". Wrapping the bands around and getting the hose clamps lined up, while holding the band closed, can be the difficult part
    Licensed residential and commercial plumber

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    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Quote Originally Posted by hj View Post
    Rolling the rubbers back and installing the piece is usually the "easy part". Wrapping the bands around and getting the hose clamps lined up, while holding the band closed, can be the difficult part
    Putting the collars back on was easy. Rolling those rubber pieces back and then unfolding them over the old line was the struggle. Just bitching really since the whole repair was done in under thirty minutes. The plumbing side anyway.

    For a 2" line like I installed should there be a flexible connection or expansion leg installed? I'm shocked the pipe just failed like that. The more I ponder the more I think it was the freeze thaw cycle with us using the dishwasher over the winter months.

    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.

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    DIY Senior Member dlarrivee's Avatar
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    John, sorry but that spray job is pretty rough.

    The next time you're spraying the underside of a cantilever or soffit with piping in it and there is a warm space ABOVE the piping, you should get your spray foam guy to put foam on either side of the pipe, below the pipe, but not above it...

    This can be achieved various ways...

    I think you're most accurate with the settlement and rigidity provided by encapsulating the entire pipe in foam, causing stress at the coupling.

    How old is the home, is the foam a retrofit or new-construction application?

    (I am a CUFCA certified applicator)
    Last edited by dlarrivee; 04-21-2012 at 10:10 AM.

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