There's a large gap between the sink's edge and the countertop. This gap is
hard to clean. If I fill it with silicone sealant, it would be easier to
clean, but wouldn't the process of scrubbing damage the somewhat flexible
sealant? Is there a sealant that is scrub proof?
That gap is a lot bigger than one would expect. Looks like the sink
isn't bottomed all the way in the opening. But I don't see why you
can't fill it with one of the high quality silicone caulks, in white.
Should hold up to fine with normal cleaning. You shouldn't need to
scrub it with Comet or anything...
The sink is improperly seated. Remove it, use a router to chamfer the
edges to match the sink profile and reinstall with white silicone
sealant. The gap will magically disappear and your worries abut
scrubbing will be history. Remove all the old sealant, clean the area
to be bonded with a polar solvent like alcohol or lacquer thinner.
The original install seems to be a DIY project that lacked proper
instructions. Good luck.
If it is a sawdust core counter top, paint the edge with a good coat
of paint to seal it so if any moisture gets down there the 1 inch
countertop doesn't become a 1 1/2 inch countertop.
I ALWAYS seal the edges of sink cutouts - a goodprimer like KILZ or
Zinzer works good.
As others have said, it looks like possibly the sink isn't seated
properly but I have another question.
What is the dark area *inside* the sink, opposite the dirty caulk you
are probably referring too? Look straight into the picture, before you
get to the fingers of the glove.
It almost looks like there is a gap there also. What is that?
Is it possible that the ceramic/porcelain piece we're looking at isn't
even part of the sink?
Nah- that is just a Really Wide bead of caulk.... :^)
(But seriously- I think it is just a badly installed sink, or the rim
is so out of flat that it can't set square on the counter. If
bleaching wouldn't cure it 'good enough', I'd yank it and reinstall
That is indeed my postulation. What else would explain the similar
looking crud inside the sink?
In addition, if you look under the strainer at the back of the sink,
do you see rust? That could be rust from the original metal trim ring
that is under the ceramic/porcelain trim ring.
The existence of a metal trim ring with the ceramic/porcelain trim
ring sitting on top would explain the gap (and need for caulk) on both
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