First you need to determine why you want it waxed. Do you want to add shine, or is your intention to protect it? If protection is your main concern, I would recommend applying a silicone impregnator over a wax. If you want to increase the shine, you... Read More

Q. How do you remove rust stains from a terrazzo floor? A. Rust stains, or iron oxidation, on terrazzo can be frustrating, and sometimes, surprisingly complicated to remove. While Iron-Out or similar products can be used in a poultice to draw out the... Read More

Q. I have yellow staining on my marble around my sink. I believe it's from the water sitting around the edge of the sink. Do you have a product you'd recommend to remove the yellow? I can't feel it like an etched stain. Would the... Read More

  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. I am having problems with my new marble paver Florida patio. The stone is turning yellow on the edges. I have some success with cleaning, but the yellow keeps returning, and it seems to come back a little worse each time. Thank you!   A. The... Read More

Q. The resin coating of our Knoll Saarinen marble top table has been cracking and peeling for the past year. We don't know what to do. Any advice?   A. Some manufacturers use resins to create a topical polish, which look amazing... at first.... Read More

Breccia is an Italian word for breach or broken pieces. When marble is formed deep in the earth it will sometimes be exposed to earthquakes, which will break the marble into many pieces. Over thousands of years the marble will glue itself back... Read More

The color in all stone is derived from minerals and organic matter. For example red marbles are red due to the presences of iron. Green marble gets its color from a mineral called serpentine and so forth. There are several excellent books on rock and... Read More

Q. The floor of my shower stall is covered with grouted sliced stones on mesh. The contractor sealed the floor with a "wet-enhancing" sealer about 3 years ago. I've noticed that the lighter stones have become rust-colored. (We have hard water... Read More

The problem you describe is very common with certain white marbles. Many marbles contain naturally occurring iron as part of their mineral make-up. When the stone is exposed to water for any length of time, its iron content begins to oxidize and turn... Read More