60 grit brush, light acid solution (don’t worry about etching because you are using a grit brush) remove the slurry with a pressure-extractor, then seal with a silicone impregnator, 511 brings out the color nicely, or you can use an enhancer.

From: Roger Konarski [mailto:qm144@yahoo.com]
Sent: Wednesday, May 09, 2012 12:35 AM
To: Restoration and Maintenance
Subject: [sccpartners] Clean and Seal Outdoor Slate

I'm not an outdoor slate person, so I need help on this one. Please see attached picture. The picture is the outdoor slate but they also have the same stone in a screened in porch. What product should I use to clean with, using my floor machine? 2nd question what should I seal it with?

Thanks,

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