Q. I have a 2nd floor shower with moisture resistant sheetrock. I want to put 18" travertine tile on the walls above the pan. Using modified mortar, can these tiles be put on the wall with mortar blobs leaving an air space behind tile or do the tiles... Read More

First, you need to determine what is causing the yellow cast. If a carpet was at one time placed over the terrazzo, the jute or rubber backing may have bled color into the floor, turning it yellow. If the floor was waxed, the waxes will have yellowed... Read More

The yellowing is the result of moisture becoming trapped under the carpet. The carpet’s jute backing or dyes from its rubber backing have bled into the stone. To remove this yellowing, try the following steps: Clean the area with a solution of... Read More

When carpet is removed from terrazzo, it often leaves behind a large yellowed area the shape of the carpet. This is common problem with carpets that have jute or rubber backings. Moisture becomes trapped under the carpet and causes the dye in the... Read More

Q. How to remove a stain from a rubber backed coir mat on pavers? A. The doormat stain was caused by chemical additives, oils, or binders migrating out of the rubber backing and into the porous surface of the pavers. Moisture, heat, and pressure can... Read More

The wavy pattern you are describing is usually caused by honing with diamonds that are too flexible. Most of the time there is a flexible cushion where the diamonds attach to the drive pad. The diamonds float over the floor and do not hone the floor... Read More