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resealing a leaking sink...

Discussion in 'Plumbing and Central Heating' started by rgf101, 11 Mar 2021.

  1. rgf101

    rgf101

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    Suspect I'm on a loser with this one.

    I've got a kitchen sink where the sealant looks to have failed at the back (the side that's to the wall) and the worktop is swelling. It's due for replacement anyway, but in a year or two, and I'd rather not have folk in doing work at the moment.

    Given that the worktop is already distorted, is there any hope of getting a good seal on it to stop it getting worse? I don't fancy my chances of getting the old stuff cleaned off properly as there's not much room to work and (as mentioned) the worktop is no longer a straight line. Slap on silicone and hope for the best? I can see sealant tapes, are they any good? With the best will in the world, it's a location that's going to get wet...
     
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  3. dilalio

    dilalio

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    Photos? Get some cheap tiles and tile it over for now.
     
  4. rgf101

    rgf101

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    7668F596-DDF5-447F-8AF2-D472362418D9.jpeg 921B3445-B107-4DB7-BEDD-45AEEBECA513.jpeg F3FFD17A-3740-4447-9686-F9D8B6952D67.jpeg

    There’s not a lot to see as the swelling isn’t obvious in a photo. Not sure if that chip was where the problem started, but the comes and goes for maybe ten inches along the back. There’s only an inch of worktop between sink and wall.
     
  5. HERTS P&D

    HERTS P&D

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    Doesn't look to bad, I've seen a lot worse.

    Andy
     
  6. rgf101

    rgf101

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    No doubt. I’m just dubious about getting a good seal in there when there’s not much space, I can’t see it properly, and the worktop and sink are out of line due to the swelling. I’m possibly overthinking it though.
     
  7. dilalio

    dilalio

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    By the looks, the cut-out in the worktop wasn't done tight enough, can see overcut in top left-corner of sink, bare chipboard drinking in water right there.
    Just flood it with clear CT1 until worktop can be replaced.
     
  8. Madrab

    Madrab

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    Yeah, just get a larger bead of silicone in/on there. Give the current silicone and area a good clean with white spirit first.
     
  9. DIYnot Local

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