tumbled marble

I have white tumbled tiles witch we sealed twice. then applied a color enhancer that turned the tile brownish. I tried bleach, heavy duty tile cleaner and even muriatic acid and nothing. anyway to turn them back to white? thanks . john

Dear John:

You applied the color enhancer after the sealer??... And how did you expect it to work (to do which it has be absorbed by the stone) if the stone was sealed??...

At any rate, I have no idea as to what happened. I truly never even heard of anything like that

Hopefully the damage is on the surface only and it can be repaired, although the acid wash (and Muriatic of all things!) may have compromised thing pretty badly! Did anybody actually suggest you all that garbage?!?!

Try to sand the surface of the stone with metal-grade sandpaper starting with the lowest grit you can get your hands on (30, maybe). Don't just give it a couple of strokes: keep sanding and sanding until you get to a “healthy” layer of stone. After that, start working your way up on the grits and finish a 240. That should do it.

After that, if the enhancing of the color is something that you want to have (the same deeper color as if the stone were wet – without any sheen), you will apply a good-quality stone color enhancer like MB-6, which is also an excellent impregnating sealer.

May I ask you now to please read and e-sign our Statement of Purpose at: http://www.marblecleaning.org/purpose.htm? J

Ciao and good luck,

Mauri z io Bertoli

www.marblecleaning.org – The Only Consumers' Portal to the Stone Industry Establishment!

Article ID: 514
Created On: Fri, Sep 21, 2007 at 1:50 PM
Last Updated On: Fri, Sep 21, 2007 at 12:00 AM
Authored by: Maurizio Bertoli [mail@mbstone.com]

Online URL: https://marblecleaning.org/knowledgebase/article.php?id=514