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If these scratch patterns are what I think they are then they probably occurred during fabrication. Some polishing machines have ten inch diameter polishing heads. It is not unusual to have these patterns show up after the floor has been polished.... Read More

No, it doesn’t seem you are doing anything wrong. The possible problem is that the metal bond diamond has a rough edge. This is another common problem with some of the metal bond diamonds. When they cut the diamond at the factory, the edge is... 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

Applying an Impregnator to a Wall or Vertical Surface It can be challenging to apply an impregnator to a natural stone wall or vertical surface, because gravity causes the product to drip and dribble before it has time to be absorbed. It is no... Read More

Poulticing Walls and Other Vertical Surfaces Making sure that a poultice is held securely in place is important for several reasons: The poultice needs continuous contact with the surface to work properly. If the poultice shifts off of the stained... 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

This is a condition known as efflorescence. There are soluble salts in the grout coming to the surface. The large amount of water you used dissolved the salts and they are depositing on the surface. Efflorescence will eventually disappear when the... Read More

The best cleaner to use for removing grout residue from a granite floor is sulfamic acid. Sulfamic acid is sold as a grout cleaner and works well on granite surfaces. Do not use on marble or limestone since the acid will etch these surfaces. Sulfamic... Read More

Recrystallization has been used to maintain granite and can prove very successful. However, when recrystallizing granite you are not reacting the recrystallization with the granite. The reaction taking place is simply placing a thin wax like coating... Read More

Acids generally will not harm granite but hydrofluoric acid is the exception. Hydrofluoric acid will etch polished granite as well as glass. Never use HF on polished granite. Read MSDS and label directions. FYI Hydrofluoric acid is a common chemical... Read More