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Leaking waste water pipe joint

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dr_bogenbroom
dr_bogenbroom Posts: 108 Forumite
Part of the Furniture 10 Posts Name Dropper Combo Breaker
Hi,

The small waste water pipe going into the larger soil stack pipe is dripping. I removed and reinstalled and even put some PTFE tape on it but it still leaks a bit. The rubber join seems in decent condition but it just doesn’t seem to seat right, or even if I do it just pops out again after a while.

Any ideas how I can fix this? 

Thanks.




Comments

  • PTFE wont do anything. 

    You could look at sealing it with something like https://www.toolstation.com/ct1-adhesive-sealant/p85802

    I have used it many times.

    Things that are differerent: draw & drawer, brought & bought, loose & lose, dose & does, payed & paid


  • ThisIsWeird
    ThisIsWeird Posts: 7,935 Forumite
    1,000 Posts Second Anniversary Name Dropper
    It's hard for us to know without seeing it close-up, but I cannot see PTFE tape helping much in this case.
    I'd clean every part up thoroughly, check that it appears to be the correct size, and try a reassembly. Monitor it, and see what part is actually causing the problem; is it that the gasket is slipping out, or is it the pipe?
    Is the gasket damaged, worn, or perished, or is it perhaps the wrong size?
    Whichever is the culprit - sounds like the gasket from what you said - I'd either get a replacement, or I'd stick that one back in with a smear of StixAll or similar. Let it set, and then push in the waste pipe.
  • stuart45
    stuart45 Posts: 4,849 Forumite
    Sixth Anniversary 1,000 Posts Name Dropper
    You need a new rubber boss adaptor. Don't glue it in, just make sure the branch is clean. Tape is a waste of time for an old one. Plumber's mate would be a better option if you want to use the old one.
  • shiraz99
    shiraz99 Posts: 1,836 Forumite
    1,000 Posts Third Anniversary Name Dropper
    I agree with the above, you're better off getting a new boss connection fitted rather than bodging it with sealer which is only ever a temporary fix.
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