Barry,
I the future you are going to see a lot more of the antique , brushed and leathered finishes. There are brushes that are available to duplicate these finishes. What you are seeing on the countertop is a ring from the aluminum can that should be removable by using soft scrub. The mark that appears to be a drip mark could be caused from and oil spill, salad dressings or other materials that may leave a stain in the granite.
The comment that black pearl granite should not be sealed is incorrect. Whenever you have a antique, brushed or leather finish the stone NEEDS to be sealed. these process leave the pores of the stone open and acceptable to staining. Make sure the countertops have been sealed with a penetrating/ Impregnating sealer and not a topical sealer or a topical color enchanting sealer.
If you need to enhance to color I highly recommend you use the Color Enhancing Sealer from StoneCare Central. This is a solvent based penetrating/ impregnating sealer and not a topical like a lot of color enchanting sealers are.
If you need to address the finish on the countertops there are several different brushed that you will need to duplicate the finish. these brushes come in grit ranges from 36 up to 400 grit. What you need to do is match the finish that is currently on the stone using one of the grit ranges, this means you need to test different grits until you achieve a matching finish.
After you complete the
John E. Freitag
President/Director
The Stone and Tile School
Office 407-567-7652
Cell 407-615-0134
jfreitag@thestoneandtileschool.com
finish I highly recommend you seal the countertop.
From: stonerestorer@gmail.com [mailto:stonerestorer@gmail.com] On Behalf Of Barry Raduta
Sent: Thursday, July 07, 2011 10:48 AM
To: Restoration and Maintenance
Subject: [sccpartners] Antique/ Leather-look black granite problems HELP
Hi All,
I never worked with granite tops that have been antiqued/ brushed/ leatherized so I really don't know the ins and outs of how this material reacts. After trying to obtain some knowledge on the internet, it really seems there are specific problems with each finish, each stone type and each color. Add in sealers and it really gets confusing. Here is what a potential customer sent me and I would appreciate any comments. Thanks.
Thank you so much for your call yesterday about my Black Pearl antiqued granite. Here are the pictures of my granite and summary of the problems we are having.
pic #2: Shows the ring from opening a bean can - silver color ring. I merely opened the can and got this ring. The spots where the ring stops is because we were able to scrub those away with a wash cloth.
pic #1: Shows the "rubbed" areas from the blue scrub pad. There were originally drip like stains there, so after unsuccessfully removing them with a wash cloth, we tried the blue scrub pad. When the leathered finish showed a change in sheen we then incorrectly assumed we had scrubbed away the sealer, so we sealed the spots. This did nothing for the appearance.
pic #3: Shows the rubbed areas as well as the drip like stains we are intermittently getting around our sink. It is shaped like an "L" and this stain happened shortly after we sealed that area.
We have read in some home forums online that Black pearl granite should in fact never be sealed. And that perhaps the sealer creates a "haze" (similar to what you mentioned with polished stone) and that perhaps these spots are more a sealer issue, in which case we should try to remove the sealer and then see we what issues might be left. But at this point we don't want to try anything until we have a better idea of what this might be and what is our next best step.
Thank you again for any help you can offer. Please let me know if you would like better or higher resolution pictures.
--
Thank You,
Barry V Raduta
Diamond Stone & Tile Care
215-816-7689
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