Q. What can we do to clean marble lobby floors in our various commercial buildings? A. The yellowing and graying of certain Italian and Greek white marbles is a common problem that I see all over the world. There are several possible causes for... Read More

Q: We purchased and had some beautiful light tan/beige marble installed on our master bathroom floor, 42" glass enclosed (2 sides) shower walls and tub enclosure. After five years, where we attempted to keep the shower walls clean, there is a... Read More

There are two possible reasons the veins in your marble are changing color. First, white marble characteristically contains iron; it is possible the iron is oxidizing and turning to rust. If this is the case, it may be impossible to remove. Second,... Read More

Fred M. Hueston, PhD Sitting in my office one morning I received a call from a very upset home builder. He told me he was building a two million-dollar home on the west coast of Florida. They had installed nearly 3500 square feet of a white statuario... Read More

Graffiti Removal Procedure for Stone, Masonry, and Tile Surfaces By Frederick M. Hueston, www.stoneforensics.com If your beautiful building, wall, or other surface has just become the unintended canvas for graffiti, your first reaction might be to... Read More

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

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

I personally recommend Grout Perfect (www.groutperfect.com) though there are many out there. It is a superior product, easy to use ,and has benefits that go beyond just looking pretty, such as constant acting mildewcides and more. Fred... Read More

That’s a difficult question, since it depends on the type of marble you have, how hard or soft it is, how much traffic the floor receives, and many other factors. On the average, most marble floors in a home need to be polished about once every... Read More

How to Prevent Urine Stains on Marble Floors In men’s restrooms with marble floors, urine stains and odors can be a real problem. Since marble is porous, marble floors in men’s restrooms should be sealed to inhibit staining. The sealer... Read More