Re-caulking Between Granite Countertop and Backsplash

by Pegg
(St James City, Florida, USA)

QUESTION:

The bead of silicone between my black granite countertop and backsplash is turning white and rubbery.

Water does get on it from the sink. They used a clear caulking instead of a color (black). Should I try to remove it and re-caulk?

ANSWER:

Yes, go ahead and re-caulk the kitchen backsplash and countertop seam if it is breaking down, coming loose, changing color or otherwise looking bad.

Why it is turning white is a bit of a mystery to me, but they may have used clear because the black may have stood out too much... unless both the granite countertop and backsplash are black.

You should carefully remove all the original caulk first though, clean both surfaces well with acetone, make sure completely dry and use 100% silicone caulk.

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Exact same problem
by: Anonymous

I could have written this as ours is doing the same. It actually did it from the very beginning of having our quartz installed. We are scheduled to have ours redone with black because I think they should be aware of the problem.

Since scheduling this, every communication from the company refers to the necessity to not use it for 24 hrs as if we used it too soon in the first place, but we didn't even have plumbing in for well over 24 hrs. So, yes, why it turns white IS a mystery.

Granite backsplash vs bead of silicone
by: Anonymous

I love the look of a granite counter and tile backsplash (with bead of silicone) but my kitchen adviser is recommending a short (2"? 3"?) granite blacksplash to prevent water damage along the seam.

Do you also recommend this?

==== Countertop Specialty comment:

Maybe I don't understand completely, but there will still be a seam with a granite backsplash just like with a tile backsplash.

And what will be damaged from water? The granite? No. The tile backsplash? No. The silicone caulk? No.

You should install whatever style of backsplash that you like. If installed well, the seam won't ever be an issue.

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