Stu,Few weeks ago I was working on absolute black granite sign. 16'x6'x1 outside next to the busy road. It looked very rusty but it wasn't rust. I think it was deposits from nearby oak trees, cleaners didn't work so I ended up using pinch of 5x on white pad. It cleaned all in no time. Just a thought
Adam BartosBiO Tile & Grout Restoration773-575-5515 (c)847-438-0212 (o)Stuart,
I would recommend contacting Fred Hueston he has several labs he is works with . if the granite is rusting many granites have natural iron deposits in them and over time will oxide. Other time I have seen polished granite take on a rusty look for a contractor that has honed the granite and then tried to crystallize the granite before it totally dried.
John E Freitag
Director
The Stone & Tile School
Office 407-567-7652
Cell 407-615-0134
jfreitag@thestoneandtileschool.com
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From: rosen.stuart@gmail.com [mailto:rosen.stuart@gmail.com] On Behalf Of stuart rosen
Sent: Friday, June 01, 2012 7:39 AM
To: Restoration and Maintenance
Subject: [sccpartners] Testing Stone
I have a customer that wants to have his granite tested. It is on the outside of a building and rusting.
Does anyone know a lab that will test the stone and identify its components.
The stone is a granite that is quarried in Israel.
--Regards,
Stu Rosen
201-446-1200
www.mbstonecare.comwww.mbstone.com
www.stoneshine.com
"EVERYTHING MATTERS "
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