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Looking for innovative ideas on how I can clamp this older recycled stainless steel sink onto a new composite countertop that is 3/4" thick.

The sink has an inward lip around the perimeter, but doesn't have any clamps whatsoever. I'm thinking I can use that lip, but not sure how just yet.

Any ideas are very much appreciated.

enter image description here

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  • Can you take a picture of the cabinet set up from the front? Normally, the kitchen sink cabinet is quite large and open and the sink would clamp to the countertop, but your cabinets seem oddly aligned to me.
    – UnhandledExcepSean
    Commented Jan 19, 2023 at 19:20
  • Gotta pic of the top of the flange?
    – Huesmann
    Commented Jan 20, 2023 at 17:32

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If the counter overhung the cabinet opening a little as it is supposed to you could use sink clips like these. Given your unusual opening with no overhang you would have to make your own clips. Since it's a drop-in sink I would attempt to just use silicone and see how that goes.

If the silicone isn't enough, you could try cutting little slits in the sides of the cabinet to accept the clips, using a rotary tool.

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  • Those clips won't work unfortunately with the countertop as it is too thick. However that's an interesting idea to chisel the countertop edges to allow the clips to fit.
    – DIY Dad
    Commented Jan 20, 2023 at 22:59
  • Ended up replacing the sink with a newer drop-in that has the U-channel brackets and the clips.
    – DIY Dad
    Commented Feb 16, 2023 at 16:53
  • But what did you clip them to? Usually they clip to the underside of the counter, but in your case the cabinet walls come up flush to the top of the counter.
    – jay613
    Commented Feb 16, 2023 at 17:08
  • Ah I see, no there was plenty of underside of the counter to clip to, the photos here are misleading. The new sink had a larger countertop cutout dimension, so it was a real pain to make a bigger cutout with the countertop already glued to the cabinets. Used the recip saw in contorted ways and got dust everywhere. Eventually it all worked out but the lesson: being thrifty sometimes means twice the effort.
    – DIY Dad
    Commented Feb 17, 2023 at 0:33

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