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- What could be causing the musty smell in my brand new limestone laundry room? Q. We are building a new house in South Louisiana. We have a 4-inch concrete slab on the ground. Because we are in a flood zone, we had to build up. So, we have concrete piers and wooden beams that our house actually sits on. We then have 1 1/4" thic... Read More
- How To Remove a WD-40 Spot on Limestone 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 b... Read More
- How to Remove Copper Stains on Limestone Q. I am making some improvements to an 87 yr old building with limestone floors. There are some copper stains on the limestone, caused by some moisture and the copper lights bleeding. Please tell me how to clean up this stain. A. Use a soft brush an... Read More
- How to Remove Vinegar Stain on Marble and Limestone Q. I believe I have spill marks of vinegar and also some cleaning solution that stained my marble and limestone floors. I need help in which poultice to use. A. Marble and limestone are calcium-based stones, which means they are sensitive to acids... Read More
- How to Remove an Etch Mark Caused by Lime Juice on Bluestone Q. Some lime juice got spilled on my Bluestone table top and it left a big dull spot. Is there anything I can do to bring back the shine? A. Maybe. If the etch is severe (deep to the point that it looks and feels rough), then you will need to hi... Read More
- How To Remove WD-40 Stain On Unsealed Limestone Q. How would I remove a WD40 stain from an unsealed limestone hearth? A. To remove WD-40 from unsealed limestone, we recommend the poultice method of stain removal. Mix a good degreaser, which can be purchased at Home Depot or Lowe’s, ... Read More
- Liquid Plumber Causes Alkaline Etch Damage On Limestone 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
- Can Dye Be Removed From the Limestone 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 fo... Read More
- Grout has stained lueders limestone Q. We had a new lueders limestone fireplace surround installed. There are darker stripes on each side of all grout lines. Installer said grout was not acrylic, but grout did have some colorant. Stone has dried now three weeks and stains still present... Read More
- limestone with mold / mildew stains in grout joints. Q. We have mold buildup in grout joints and surface has film on it. What is best to clean mold and remove film from surface? A. There are several cleaners that will remove the mold but you must be careful to choose one that will not damage the li... Read More
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