I would also recommend an eraser. We worked in a wall a while back with many types of marks and the eraser worked well. By the way, not all erasers are the same. We got ours at an art store that sold the gummy kind. 
B


________________________________________
From the desk of
Baird Standish
Managing Partner
Facility Specialists, LLC
15 West Highland Ave. Suite E
Philadelphia, PA 19118
Phone: 215-732-7505
Fax: 215-546-9160
www.facspecs.com

On May 23, 2017, at 7:34 PM, Mike Marsoun <outerislandstonecare@gmail.com> wrote:


Sent from my iPhone

On May 23, 2017, at 11:52 AM, Fred Hueston (via sccpartners list) <nobody@simplelists.com> wrote:

This may sound crazy but it has worked in numerous cases for me..Try a pencil eraser.  You can also try some denatured alcohol. 

Frederick M. Hueston
www.stoneforensics.com
office  321 514 6845      
Stone Inspection and Troubleshooting correspondence course
For more details see the training section at www.stoneforensics.com
Next live class COMING SOON



-----Original Message-----
From: Scott Wilson (via sccpartners list) <nobody@simplelists.com>
To: sccpartners <sccpartners@stoneandtilepros.simplelists.com>
Sent: Tue, May 23, 2017 5:50 pm
Subject: Pencil lines

Ok gentlemen , have a huge restoration on a terrible new install , a little better than 8000 sq ft. It included clean and seal ,travertine type polished walls. the master has a silver grey travertine with a wall that between jets and controls ,16 cutouts, with every one marked with 3 inch long ,deep pencil marks running north,south and east west.
Its never been an issue , would touch them with 200 and gone, but to do that I would have to do the entire wall all the way back to polish. So before I start testing chemicals, Does anyone have a simple trick to remove these marks.
FYI the 6000 sq of floors ground perfectly flat and are amazing
Thanks for any input
Best Regards
Scott Wilson
Wilson Stoneworks Inc

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