Roger ,

I agree with mike this is a slate and the damage you are seeing was caused probably because there was a sealer on the stone and the stone could not breath and thus the destruction began. Yiu will need to strip the entire shower and clean it. It looks like there could be some efflorescent on the floor that will need to be removed. Once the stone is cleaned and the coating in removed I would recommend either a color enhancing sealer or Richard James Chemical has a product call Stone Lok E3 with OSW. This product will give you a shine on the slate and hold up under wet conditions. For more  information on this product call Richard James Chemical. They can walk you through the process.

John E. Freitag
President/Director
The Stone and Tile School
Office 407-567-7652
Cell 407-615-0134
jfreitag@thestoneandtileschool.com

www.thestoneandtileschool.com

-----Original Message-----
From: Mike Marsoun [mailto:nulifesc@bigpond.com]
Sent: Tuesday, June 08, 2010 2:26 AM
To: Restoration and Maintenance
Subject: RE: [sccpartners] Quartzite Tiles

Looks like slate and the sealer is lifting, or the slate is spalling

-----Original Message-----
From: Roger Konarski [mailto:qm144@yahoo.com]
Sent: Tuesday, June 08, 2010 2:25 PM
To: Restoration and Maintenance
Subject: [sccpartners] Quartzite Tiles

I was brought in on a Quartzite Tile shower. The homeowner was having problems with the shower floor turning whitish. 1st I thought it might be soap film, but turned out to be a High Gloss Coating. See attached picture. I removed the coating from the floor using a honing brush and a coating remove for acrylic finishes. . I’m now going to seal it with a coaler enhancer.

The problem is with the walls. When I used soap film remover on the lower parts of the walls, the coating started peeling away. My question is this. Can I remove the coating from the lower section and re-apply a High Gloss Sealer on one the walls? Or do I need to remove the coating from the entire shower? The reason I’m hesitant to remove the coating. Is that the bathroom floor and tub surround has the quartzite tile with the high gloss coating. If I remove it from the shower the areas will not match.

If I do need to remove the coating, what is the fastest way to get that junk off?

Thanks,
RK
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