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Q. How do I remove a candle wax stain on bluestone? A. Here are the full instructions for candle wax stains: To remove candle wax that melted into the pores of the stone: Use a hot clothing iron (preferably one you don’t mind getting wax on)... 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. 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

Q. Wax from a citronella candle spilled onto my outdoor natural stone bench. Please advise on a remedy to remove this. A. Candle wax can present a few issues. The candle wax that has melted onto the surface and into the pores of the stone and will... Read More

Q. Our limestone fountain is dyed on special occasions. The purple dye is penetrating the limestone at the bottom of the wall. How can the purple dye be removed from the limestone? I have tried acid and chlorine. Any suggestions?   A. Thank you... Read More

Q. The house was built in 1975, the entry and hall is the multi-color stone/slate typical of the 1970's There are faded red, dark gray, green-gray and light gray random shapes all with 90 degree corners. Can this floor be changed to a single... Read More

Q. We just sealed our marble tile with a water-based sealer. There is now a light, rainbow-like film on the surface of the tile. I have used every cleaner I could purchase to try get it off, but it won’t budge. Any suggestions?   A. Sealing... Read More

Q. I have been told by my contractor (retirement home) that I can use marble tile for the counter tops in my kitchen. And, that it is up to me to 'seal' the tile & grout. Can you give me any information as to what to do & what to... Read More

Fred M. Hueston, PhD Sitting in my office one morning I received a call from a very upset home builder. He told me he was building a two million-dollar home on the west coast of Florida. They had installed nearly 3500 square feet of a white statuario... Read More

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