Articles Search Results

Q. I spilled some coffee in my tile and it won‘t come off. I tried floor cleaning solution, vinegar and water, vinegar and baking soda, watered bleach, hydrogen peroxide. Nothing seems to work. I am pretty sure it is porcelain tile. Once you... Read More

Q. When we had our new slate hearth put in a few years ago we also had our living room plastered the following day. The plasterer did not put any protective dust sheets down which resulted in our beautiful new hearth being stained with plaster... Read More

Q. I have a bathroom counter that is bluestone. Before it could be sealed a bottle of liquid hand soap was put on the surface forming a ring. Also several drops of soap were dropped on the surface causing spots. What is the best method for removing... Read More

Q. Discolored granite near sink. Darker near soap dispenser. It's obvious that we didn't seal it properly because it was perfect when it was installed 4 years ago. I tried doing couple DYI solutions to remove Paris of plaster w water... Read More

Q. We just recently had a white marble installed on our bathroom floor and just noticed the section that is getting no sun from our window (it is being blocked from our tub deck) is yellow. It does have a heating system installed under it. Do you... Read More

  Efflorescence - Removal and Prevention   By Frederick M. Hueston www.stoneforensics.com The crystallization of soluble salts in Historic masonry causes severe deterioration of the substrate. This crystallization is called... Read More

Q. Is there any way to get glue stains out of terrazzo?A. Unfortunately, no. The only possibility would be to try poulticing the stains with a potent paint stripper based on Methylene Chloride. But the quantity of the stuff involved would permanently... Read More

But first, is it advisable to speed the dry time of a poultice? Before we speed the drying time of a poultice, we should first consider whether it would be advisable to do so. You should only speed up the drying time on a poultice if the poultice has... Read More

Q. I damaged the marble countertop at home. The cleaner I used indicated not to be used on marble. I didn't read properly. Now, I see the drops of spray of this cleaner and permanent stains on several areas. There are little round-dots sprayed... Read More

Q. A Liquid Plumber bottle leaked on my beige limestone bathroom floor. It looks like a wet mark. Is there anything I can try to remove stain? It is a heated floor. A. Liquid Plumber is a very high alkaline substance, which leads our stone expert to... Read More