BTW. This is more like basalt, or actually IS a basalt, as opposed to the
American "bluestone" which is more like a quartzic sandstone.

-----Original Message-----
From: Mike Marsoun [mailto:nulifesc@bigpond.com]
Sent: Wednesday, June 23, 2010 4:35 PM
To: Restoration and Maintenance
Subject: [sccpartners] Bluestone

Have a job to do, or maybe not... It has some light colored spots which look
like etching, but the finish is not burned. The floor went in before the
limestone walls. My guess is that it is grout from the walls which went into
the pores of the bluestone. This would make it impossible to scrub off and
pressure washing will probably not do it either. Not sure if it is acid
sensitive, tried to 5x and not much happened. What is this stuff?
Sent via BlackBerryR from Telstra
--
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