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How to remove a polyurethane stain on my sandstone step?

Q. What should I use to get out polyurethane stain on my sandstone step? A. The methods for removing polyurethane from stone will vary, depending on what type of polyurethane caused the stain. Each type behaves differently once it hardens or seeps... Read More

How to remove a white stain on stone from spilled gun cleaner?

Q. Spilled gun cleaner on my stone topped coffee table. It left a white stain. How can I remove this? A. Natural stone may not look porous, but it is. Liquids and chemicals can soak below the surface. Gun cleaners often contain strong solvents that... Read More

How to reduce slipperiness on polished white marble tile?

Q. I have polished white marble that is too slippery for the floor. What is the best way to take away the polish? I have not laid the tile yet. We are planning to lay the floor ASAP. A. The route you choose to take to make this floor more slip... Read More

I was called to remove a heavy wax coating on a granite floor. I’ve discovered that the janitorial company has been stripping and waxing this floor for several years. The problem is the granite is developing small pits and appears to be falling

The problem may be with the strippers that have been used. Many strippers have an alkaline pH and this can lead to the deposit of alkaline salts in the pores of the granite. If the stripper is not rinsed throughly and any stripper residue is left... Read More

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