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Q. Can Corian™ and cultured marble be treated like real marble? A. The daily care and cleaning of Corian™ and cultured marble are similar to that of natural marble, but professional repair and restoration methods are different. If your customer... Read More

Mildew can be difficult to remove from silicone caulking because it grows into the caulking. I suggest removing the caulking with a putty knife and replacing it with new caulk. If replacement is out of the question, you may want to try applying Soft... Read More

There are several possible causes for the pitting. Improper cleaning chemicals and salt deposits can contribute to this condition. Depending on the severity of the pitting, replacement may be necessary. TIP Pitting of granite in this situation is... Read More

Yes, cracks can be repaired. Depending on the width of the crack, it can be filled with a polyester resin. If the crack is small, clean it thoroughly with acetone, making sure to remove all dirt; a dental pick may prove useful here. After the crack... Read More

Your installer is correct. Most travertine contains many holes that are filled with a cement filler. The cement filler does not take a shine when polished—hence the dull spots. The floor you observed at the hotel has probably been coated with a... Read More

Terrazzo is in fact a marble floor. Terrazzo is comprised of marble chips mixed with Portland cement and polishes just like a marble floor. Many terrazzo contractors hone the terrazzo to about a 80 or 120 grit and apply a wax coating. If you continue... Read More

Travertine is a marble that has a lot of holes. These holes are filed at the factory with a colored Portland cement. When you polish the marble the fillers do not take a polish. This is why you get dull spots. The only way to eliminate the dull spots... Read More

Diamonds are the most popular abrasive for honing marble but are not the only abrasive. Alternative abrasives are as follows:SCREENS screens are silicon carbide mesh that can be used dry or wet. The disadvantage with screens are that they wear very... Read More

Q. We are building a new house in South Louisiana. We have a 4-inch concrete slab on the ground. Because we are in a flood zone, we had to build up. So, we have concrete piers and wooden beams that our house actually sits on. We then have 1 1/4"... Read More

Q. How do we clean white spots from bird droppings on colored concrete? We have a church under construction with tiles on the floor. Windows hadn't been put in yet, and birds came in. The tiles are left stained white from the droppings.Â... Read More