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

Q. I have a polished White Carrera marble floor. A solvent-based enhancing sealer was applied about a week and a half ago. It seeped through the outer edges and darkened the stone. Someone recommended a poultice. I want to try it. Please tell me... Read More

This is a very common problem on granite. Granite is a very porous stone, more porous than most marble. Because of its porous nature, granite has the ability to retain a great deal of moisture. The dark area in this case may simply be excessive... 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. 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 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. We have water-like stains on the edges of our quartzite counters and water intrusion around the sink area. How do we get it out? Should we call a plumber? What will a plumber do? Do I have to dry it out prior to sealing the areas? I imagine I do?... Read More

Q.  Do you have a product that will remove tannin stains from porcelain?   A. Sorry to hear about your stain. Thanks for contacting us. Don't delay your attempts at stain removal at all, because time is of the essence. A tannin stain that... Read More

Q. I accidentally wiped my limestone fire surround on one side with a cloth that had WD-40. It has discolored  the limestone that is stone in color. The discolored area is a few shades darker. How can I bring it back to the lighter color it should... Read More

Q. I have yellow staining on my marble around my sink. I believe it's from the water sitting around the edge of the sink. Do you have a product you'd recommend to remove the yellow? I can't feel it like an etched stain. Would the... Read More