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Thread: ARGH! I'm an idiot....broke my closet flange

  1. #1
    DIY Junior Member xnaron's Avatar
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    Default ARGH! I'm an idiot....broke my closet flange

    Sigh...I over tightened one of the bolts on my closet flange and broke the abs flange at the bolt mount (at least I didn't break the toilet). The flange is an inside flush mount flange that goes into a 4" ABS pipe mounted in a concrete floor. At this point I think I have two options.

    1. Drill it out. Buy/Rent a 4" pipe hog reamer and drill out the old closet flange and install a new one. I need to see if I can find one.

    2. Mount a new closet bolt into the concrete and use the existing flange. Only need to do one side. I'm not sure what to use to do this. Do I buy plastic anchors and cut the head off a closet flange bolt and use it? Can someone give me some advice on the best way to tackle this.

    Sigh...very depressing at this stage.

    thanks for any help,

    Brendin

  2. #2
    Plumber gear junkie's Avatar
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    Default

    Use a flange repair kit. It looks like a 1/4 circle with the bolt slot. They sell it at HD.

  3. #3
    DIY Junior Member xnaron's Avatar
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    Quote Originally Posted by gear junkie View Post
    Use a flange repair kit. It looks like a 1/4 circle with the bolt slot. They sell it at HD.
    I think I'm leaning toward reaming it out and installing a new closet flange. If I can't find a reamer to rent I'll either repair it with the flange repair kit you mention or drill out some holes in the concrete and anchor the closet bolts right into some plastic anchors. Man this really sucks...

    Brendin

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    Master Plumber master plumber mark's Avatar
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    Talking lennox repair flange

    jsut go get one of those and slide it under
    the abs flange .......mucu much easier that you think

  5. #5
    DIY Junior Member xnaron's Avatar
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    Quote Originally Posted by master plumber mark View Post
    jsut go get one of those and slide it under
    the abs flange .......mucu much easier that you think
    Its a flush mount floor flange. I don't think I can slip anything under it without have to cut it to make room. Unless I am missing the obvious here (which isn't out of the question being the genious who over tightened the bolts ).

    Brendin
    Last edited by xnaron; 02-21-2008 at 09:37 AM.

  6. #6
    DIY Junior Member xnaron's Avatar
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    I have talked to people at local plumbing shops and they suggest it is possible to cut the inside flange vertically into quarters and then use a slim chisel to seperate the inside quarter sections from the abs pipe. Anyone do this before?

  7. #7
    Retired Defense Industry Engineer jadnashua's Avatar
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    It's been described here before. It works better on abs than pvc, as they use different methods to make the connection. Abs is more like an applied glue, pvc is more of a melt, merge, but it appears it can be done with both, but the pvc will look much worse for wear.
    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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    Master Plumber master plumber mark's Avatar
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    Default try the lennox first

    all you have to do is either chisel under that side
    of the flange that was broken.....make some room to
    tap that new half moon fitting under the broken flange lip

    put the new bolt into place inside the repair flange, then
    tap it into place

    you will have to cut the old section on center so the
    bolt and repair will slide into place where it should be....

    I would do this first before I would ever attempt to cut out a
    ABS inner type flange.........your odds are not good.....


    fools rush in where wise men fear to tread.....

  9. #9
    DIY Junior Member xnaron's Avatar
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    Quote Originally Posted by master plumber mark View Post
    all you have to do is either chisel under that side
    of the flange that was broken.....make some room to
    tap that new half moon fitting under the broken flange lip

    put the new bolt into place inside the repair flange, then
    tap it into place

    you will have to cut the old section on center so the
    bolt and repair will slide into place where it should be....

    I would do this first before I would ever attempt to cut out a
    ABS inner type flange.........your odds are not good.....


    fools rush in where wise men fear to tread.....

    I am definitely willing to try this first. Can you post a link to the lennox you are suggesting I try. I want to make sure I try the right thing. I searched online and can't find a pic.

    thanks,
    Brendin

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