You are probably using a white or buff colored polyester. These colored polyesters are hard to color since they have a bright translucent hue. The best polyester to use would be a transparent type. To mix the proper color you can purchase artists oil... Read More

Q. We just sealed our marble tile with a water-based sealer. There is now a light, rainbow-like film on the surface of the tile. I have used every cleaner I could purchase to try get it off, but it won’t budge. Any suggestions?   A. Sealing... Read More

But first, is it advisable to speed the dry time of a poultice? Before we speed the drying time of a poultice, we should first consider whether it would be advisable to do so. You should only speed up the drying time on a poultice if the poultice has... Read More

The "Orange Peel" Effect on Marble Working with marble polishing powders is both an art and a science. Improper use of polishing powders can result in what is known in the stone and tile industry as "orange peel," that is, marble that has a dull and... Read More

There are many on the market. But if your shower walls are marble, you will have to use caution in choosing the proper cleaner, since most soap scum removers are acidic. Do not use an acidic cleaner on marble walls! If the tile is ceramic or granite,... Read More

Tell them simply this: “No, I would not recommend using window cleaner on a marble shower wall. Some window cleaners contain chemicals which could damage the marble.” Also, let them know to keep their marble shower walls in optimal condition the... Read More

If the spots are light a #00 steel wool pad may remove them. Use the steel wool dry. If the deposits are heavy use a solution of sulfamic acid and water. Sulfamic acid is sold under the name of sulfamic acid crystals and is used for cleaning grout.... 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.�... Read More

Q. On a new polished Carrara countertop, we placed a sheet of glass over part of it ...at the side with no glass covering, the marble is darkening. It does get wet and darkens but doesn’t seem to entirely lighten when dry. It also gets sun... Read More

Q. We just recently had a white marble installed on our bathroom floor and just noticed the section that is getting no sun from our window (it is being blocked from our tub deck) is yellow. It does have a heating system installed under it. Do you... Read More