Granite Taking on Water

FreddyJFebruary 8, 2013

I recently had contractors gut my kitchen. Paid for 2 slabs of granite and under mounted a stainless steel sink.

It was sealed and then re sealed and it's still taking on water at the rim. We can't figure out what is going on?

There is a dishwasher vent on the problem side. But it seems to be fine. Somehow water is getting in this stone after 2 sealings.

Has anyone ever had this problem? Solutions? Tips?


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check and see if one of the faucets is leaking. the water has to be coming from somewhere.

once you fix the leak the stone should dry out on it's own in 3-5 days. (you can speed it up with a blow dryer.)

    Bookmark   February 8, 2013 at 10:42AM
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There is also a distinct possibility that the stone is not actually granite.

Actual granite does not absorb water.

This is one of the reasons that you need to test stone samples beofre settling on one.

The stone industry often labels many stone that requires diamond tooling to work as 'granite' when they are actually other stone types and do not have the desirable characteristics of actual granite.

    Bookmark   February 8, 2013 at 11:11AM
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What granite is it?

    Bookmark   February 8, 2013 at 11:22AM
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Wow, that looks like a lot of water. I agree that you need to determine where the water is coming from. Sealant does not necessarily seal out water. I have a sealed marble bathroom counter and sometimes water will slightly darken the stone. However, it's usually little bits here and there and it dries in quick order. You have a TON of darkness. I agree with oldryder that you should check if your faucet is leaking.

    Bookmark   February 8, 2013 at 11:48AM
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Is this water getting under the sealant? That's what it looks like.
It confuses me, because granite doesn't absorb water, yet something's holding it.

I think I'd be talking with the fabricators, too.
This is a new one (to me).

    Bookmark   February 8, 2013 at 12:01PM
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Also, what type of sealant are you using? Is it an impregnating sealer? How does the water behave on the other parts of the counter? Was the stone slab treated with a resin? It appears to be honed.

    Bookmark   February 8, 2013 at 1:44PM
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