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Yes, it is possible to recolor the grout, but it needs to be thoroughly cleaned before re-coloring. If possible, find out what brand and type of coloring was used, and re-apply the same brand or type. TIP Before attempting to recolor the grout make... Read More

Wax build-up on a vertical surface can be difficult to remove, since most strippers will run. Janitorial supply stores do offer spray-on baseboard wax removers that work very well; since they are applied as a foam, they will cling to vertical... Read More

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

There are several processes for the polishing of marble, and recrystallization is one of them. Refer to question # 17 for a complete description of this process. The safety of the process is a safe as the applicator. Be sure the marble contractors is... Read More

The white deposits are salts, which are bleeding through from the grout joints or from the mortar. An acid wash will be required to remove the salts. If the deposits are heavy, try scraping them off before washing the slate with acid. Several acid... 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

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

The sealer has left a hard silicone residue on the tile’s surface. To remove the excess silicone, the tile will have to be scrubbed with an abrasive cleaner. Several kitchen-type abrasive cleaners are available which will remove this film. If... 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

The newspaper ink has probably soaked into the marble, and may require a poultice to remove, but first try cleaning the area with a white cloth and some acetone. Be careful with the acetone, since it can be flammable, and keep it away from any... Read More