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 Stone & Tile Restoration

I have been poulticing a stain on a red granite counter top using a clay poultice and a commercial degreaser. When I remove the poultice the area where the poultice was is very dark and does not seem to dry out and lighten. What causes this and how c

This is a very common problem on granite. Granite is a very porous stone, more porous than most marble. Because of its porous nature, granite has the ability to retain a great deal of moisture. The dark area in this case may simply be excessive... Read More

We have Italian marble on the lobby floors in our commercial office buildings. Recently, we have noticed several problems: 1. Entire tiles are evenly discoloring yellow or grey and 2) Rust-like stains are appearing in an area near the door. What

The yellowing and graying of certain Italian and Greek white marbles is a common problem that I see all over the country. There are several possible causes for this condition: Maintenance technique-Take a close look at your maintenance program. Are... Read More

Is it OK to use a vacuum cleaner on my marble floors?

Yes and no. A vacuum cleaner can be an excellent tool for eliminating dust and dirt, but you must be sure that it will not scratch the marble. Check the bottom of the vac and make sure there will be no metal rubbing on the stone as you move it back... Read More

We live in San Francisco and are refurbishing our town house. We would like to use marble on our kitchen floor, but are concerned it may crack during an earthquake. Is there any way to install it that would minimize the cracking?

There are several fracture membranes that can be installed to help minimize cracking. These membranes are rubber or plastic-based and are designed to absorb some shock. However, you will not totally eliminate cracking if the tremor is severe.... Read More

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