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This depends on several factors, including how often the shower is used and what type of sealer was originally applied. After identifying the product, refer to the manufacturer’s recommendations. If water is no longer beading on the shower... Read More

This is a difficult problem, since water is usually required to refinish marble, and water will warp the wood. But there are several options. First, consider refinishing the marble using dry abrasives, such as sanding screens; these will create dust,... Read More

This shadow or halo is a sign of moisture in the granite. When the stone gets wet, it turns dark; the granite then dries from the center out, leaving a moisture shadow which has the appearance of a stain. To eliminate this shadow, the granite will... Read More

Travertine marble typically contains soft fillers that have a tendency to collect dirt. The black spots are probably dirt, and can be cleaned with heavy-duty cleaners. Apply a solution of cleaner and water and allow it to soak on the floor for... Read More

This is a frequent problem with professional polishers who use several different polishing methods. Have the professional come back and correct the problem. If he used the recrystallization process, the floor may have contained too much moisture. He... Read More

First, you need to determine whether or not the white specks you describe are on the surface of the marble. If you can’t clean them off, chances are they lie below the surface of the marble. If this is the case, it is possible that there are... Read More

The hard white deposit is a build-up of salts. These salts—known in the tile industry as “lime putty”—are coming up from the setting bed, and can be very difficult to remove. To remove lime putty, scrape away as much of it as possible... Read More

You can remove chewing gum by freezing it. Place ice cubes, or, if available, dry ice on top of the gum. The gum will freeze hard, and can easily be popped off the granite. You can also buy a product at your local janitorial supply called “gum... Read More

The streaking may be caused by any one of a number of problems. The mop you are using may be dirty. Use a clean string mop and make a point of only using it for the marble floor. Wring the mop out several times as you clean the floor. Are you using... Read More

Black marble, especially Negro marquina, is very susceptible to spalling. Spalling is a condition in which the stone flakes off and falls apart. Several factors can cause spalling: excess moisture, choice of setting material and method, the polishing... Read More