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How to Remove Oil Stains on a Granite Floor Oily stains on a granite floor can be difficult to remove. Assuming you have not had success cleaning the affected area, your next step is to apply a poultice.  Fred Hueston, Chief Technical Director of... Read More

Graffiti Removal Procedure for Stone, Masonry, and Tile Surfaces By Frederick M. Hueston, www.stoneforensics.com If your beautiful building, wall, or other surface has just become the unintended canvas for graffiti, your first reaction might be to... Read More

Unfortunately, most polyurethane finishes require strong solvent-based chemicals for removal. Methylene-chloride strippers as well as a number of safe strippers are available, but be forewarned: removing polyurethane is a messy job. I know several... 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

Pickled Mexican clay tiles are pickled at the factory. It is difficult to re-pickle the tile after it has been installed. This is a job for a professional, and it will be very expensive, since all the grout will have to masked to keep the pickling... Read More

The material you are describing is probably a marble known as rossa perlinio. This type of marble, when it is formed has mud running through it and this is what the soft veins are---mud. Unfortunately the only cure is to fill the veins as the erode... Read More

Blending the edges has always seemed to be a problem for marble refinishers. There are several methods that can make the job a little easier: Feathering- Most of the time the edges of a marble floor do not require any work. After all people do not... Read More

The best way is to seal this space with silicone or acrylic caulking. Run a bead around the perimeter of the base. When you are done with the job the caulking should easily peel off or you can leave it in place. CAUTION If you use silicone caulking... Read More

All minerals have a certain hardness. The hardness of a mineral is determined by performing a scratch test. A scratch test is based on the Moh’s scale of hardness. A German scientist invented this scale by taking several known, pure minerals... Read More

No, it is absolutely false. There are soft, dark marbles and there are hard dark marbles. For example, negro maquina is a very soft marble. On the other hand Vermont Green is a very hard dark marble. Do not rely on color alone to determine the... Read More