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Unread 09-18-2008, 10:40 AM   #1
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cloudy sealer on slate

In spite of doing a sample, the sealer recommended by my tile dealer has clouded. Product is Glaze 'n Seal natural look penetrating sealer, which is a water based product. It is applied on slate. First day, there were 6 affected tiles. Now, one week later, more than 50% appear cloudy. I applied it after grouting, which is what dealer recommended. I'm not getting an answer from them and product web site does not seem to deal with correcting the problem. I tried reapplying on one tile (which someone on your site suggested with another product), but that didn't improve things. I thought I had wiped up excess, but apprently not. I am willing to remove the sealer if necessary, but how? Solution?
Sandi from Moraga

Last edited by hearthstone; 09-18-2008 at 10:41 AM. Reason: add name
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Unread 09-18-2008, 05:18 PM   #2
Florida Tile & Stone Man
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I would suggest using their heavy duty cleaner stripper on a test tile to remove the sealer,you may need to let it sit on the tile a few minutes before you use a stiff nylon scrub brush, then a wetvac,you may even need to do this twice.

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Unread 09-18-2008, 09:04 PM   #3
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The cloudy sealer is probably the result of some residual moisture in the tile, grout & mortar. How long did you wait before applying the sealer?


Relax - it's a rock! What could go wrong?!

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Unread 09-19-2008, 08:30 PM   #4
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cloudy sealer on slate

I waited one full month before applying the sealer. It is more prominent in the depressions so I don't think it is grout or moisture but rather the sealer itself. The manufacturer has now suggested I apply a film of non-chlorine soft scrub, allow it to sit overnight, then use a dry, nylon brush to scrub it off. I have it on a test tile now and will report back with the result.
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Unread 09-20-2008, 12:41 PM   #5
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Sandi, is this your exterior slate job? If and when you successfully remove this product, I would use a good, solvent based penetrating sealer by Miracle or StoneTec.
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