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Old 08-12-2009, 11:54 AM   #1
lkitchings
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Removing silicone caulk from granite tile

After installing granite tile on an outside bar, we put clear silicone caulk between the tiles as per the store. The following day, we tried to remove the excess with a razor blade as we were told to do and we can't get it all off. There is still some dried caulk on the tile where we rubbed our finger. Does anyone know how we can get this off. It makes the tile look like a checkerboard and I am afraid if I continue to scrap with a razorblade, I will damage the tile. Thanks for any advice.
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Old 08-12-2009, 03:10 PM   #2
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Welcome, Lynn.

Have you tried rubbing very vigorously with a dry stout cloth? I've found that cured silicon on smooth surfaces will frequently just roll up in little grains when rubbed really hard with a heavy cotton cloth or similar. A tight burlap might work, too.

Stuff can be bitchy, for sure.

There are a couple threads out there on the subject if you wanna try the Advanced Search feature. I know there have been a lot of different suggestions.

My opinion; worth price charged.
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Old 08-12-2009, 03:36 PM   #3
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Thanks, I will try that!
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Old 08-12-2009, 10:02 PM   #4
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Hi Lynn

At HD in the paint section, there is a product called Lift Off which is in a small red bottle with a red cap, designed to remove silicone. No matter what method or product you choose, this is going to be a very tedious job.
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Old 08-12-2009, 11:37 PM   #5
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Never heard of that one, John. Anything like Goof Off?

We know what sort of chemical it is?
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Old 08-13-2009, 12:49 PM   #6
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From Liftoffinc.com

http://www.liftoffinc.com/product-sealant-remover.php

FSR Sealant Remover

This water–based product removes wet or dry silicones, latex based caulks, polyurethane foams and glues, expansion foams, construction adhesives and acrylic latex caulks. The new and safe technology works to remove both fresh and cured sealants from tools, hands, hard surfaces, flooring, fabric, carpet, ceramic, stone, wood, plastic, metal, vinyl and more!

Features and Benefits
Silicone, Latex Caulk & Foam Sealant Remover
Green Cross Certified
Low–VOC
Water–Based
Biodegradable
Safe for the Environment & Use

MSDS:
2.0 Hazardous Components
2.1 Acetone 67-64-1 * ACGIH STEL = 2380 mg/m3
2.2 This product contains a cellulouse material as a thixotropic agent.
2.3 This product also contains trade secret ingredients.
2.4 NONE; SARA 313 TOXIC CHEMICALS are not present.
2.5 NJTSRN #411-45, 411-16

I'd be interested to hear if this product works. I've tried others with very limited success.
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Old 08-13-2009, 01:50 PM   #7
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I'd be interested to hear if this product works. I've tried others with very limited success.
Me, too, Geoff. We get this question fairly regularly.


Also like to know how they pewt Acetone inna water-based product. Is Acetone water soluble?

I'm sure some of y'all cleaning gurus knows that.
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Old 08-13-2009, 05:16 PM   #8
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Thanks John - I will let you know how it works!
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Old 08-13-2009, 05:59 PM   #9
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Denatured alcohol, Acetone, Methel Keytone. The Keytone is strong enough to take black die out of absolute black granite.. it won't harm other granites though.

Any of these will work, you may try a torch after the silicone is cleaned up if there's still signs of the silicone in the stone, but be careful not to heat the stone enough to get "crystal pop"...
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