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Resealing a kitchen sink

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  1. #1
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    Default Resealing a kitchen sink

    G'day all,
    I have just discovered a small water leak in a cupboard, which is coming from a small gap between the sink and the benchtop above it.
    What would be the best way to reseal this gap?
    Thanks for looking,
    Steve.

  2. #2
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    Simplest way for you is probably use kitchen and bathroom silicone and force it into the opening with your finger (after making sure it is absolutely dry.

  3. #3
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    Quote Originally Posted by cyclic View Post
    Simplest way for you is probably use kitchen and bathroom silicone and force it into the opening with your finger (after making sure it is absolutely dry.
    Thanks Cyclic,
    Do I need to lift the sink out to do that? There's a couple of screw clamps which look easy to remove.
    Thames again.

  4. #4
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    Quote Originally Posted by Lovey View Post
    Thanks Cyclic,
    Do I need to lift the sink out to do that? There's a couple of screw clamps which look easy to remove.
    Thames again.

    If it is a kitchen sink it may have already been sealed with silicone which means it may not want to lift.
    Some sinks have a foam seal which makes them easier to lift but personally I would not lift it unless you want to remove the complete sink and totally reseal.
    If it has a rolled edge as opposed to a sharp flat edge then it should be easy to just force some silicone under it and clean up the excess.

  5. #5
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    Many thanks again Cyclic.

  6. #6
    Community Moderator phild01's Avatar
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    Clean the gap where sink meets the benchtop with metho and a toothbrush to ensure there is no trapped muck. Get a set of silicone scrapers (bunnings I/N: 1660196) and choose a profile to suit. Place the neutral cure silicone by pushing it in from the nozzle as you go. Spray it all with soapy water and use the scraper to profile it depositing scraper excess inside a used toilet roll tube. Needs to be executed quickly in a single go.

  7. #7
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    Many thanks Phil for the detailed advice. Do I need any specific type of silicone?

  8. #8
    Community Moderator phild01's Avatar
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    With metal, any neutral cure silicone is suitable. The two types of silicone are acetic types that smell like vinegar, and the neutral type like gutter and plumbing silicone. A mould resistant type should be ideal.

  9. #9
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    Thanks Phil.

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