Q. Water feature has chlorine residue buildup causing a white stain on natural rock waterfall. How can I remove the chlorine residue from the rock? A. What you are seeing is likely mineral deposits. Chlorinated water doesn’t cause the deposits,... 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

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

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

Travertine is a marble that has a lot of holes. These holes are filed at the factory with a colored Portland cement. When you polish the marble the fillers do not take a polish. This is why you get dull spots. The only way to eliminate the dull spots... Read More

Q. Is there a product that will remove water rings from a polished marble surface?A. What are commonly mistakenly referred to as water rings are generally etch marks. Etching is actually surface damage caused by a chemical reaction from an acidic... Read More

Q. My new marble floor has a white powder on it. It cleans up with water, but keeps coming back. Is there anything I can use to clean it off permanently? A. This is a common condition, especially if the floor is new. When the marble is installed, it... Read More

The best way to protect delicate surfaces such as these is to lean a section of stiff plexiglass or similar material up against the wall . These materials can be purchased in hardware and home centers in four by eight foot sheets. There is no need to... Read More

Q. I'm totally confused and need help. I'm looking to redo my bathroom and getting different answers on the use of stone tiles for the bathroom and shower. I have been told everything from it is very easy to seal and should only to be... Read More

Q. Should I use a brush on my travertine shower floor and sides to get it clean? What kind of cleaner?A. Using a brush along with any cleaner will generally yield better results. MB-1 should be used for general light duty cleaning. For heavy duty... Read More