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Q. Hi. I recently had a patio laid in natural sandstone and my builders used a cement coloring in the pointing. When wiping down with wet sponges, they have left stains on the sandstone. What do you recommend?  Is there anything we can do? Builders... Read More

Q. I left a DRY cotton cloth (it was attached to a floor mop like a swifter) on the tile floor overnight. I was planning to mop floor but never got around to it. However, when I removed the mop, the tile in that area was faded white. I have tried to... Read More

Q. We have a Silestone kitchen counter which has developed some "dulling" in a couple of areas. One was due to someone rubbing to hard with a slightly abrasive cloth and the others are due to the sun shining on the counter. Is there anything/anyone... Read More

Q. Hello. I have just built a new home. I have Crema Alara Marble in the kitchen and foyer floors, slate in my mudroom and travertine in my bathrooms. All have been professionally sealed. I do not use any chemical cleaners. Is water and a microfiber... Read More

This will depend in which climate your building is located. If located in the northern hemisphere never schedule cleaning during the winter months since freezing temperature can cause the stone to spall. The best times are in late spring or early... Read More

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

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... Read More

Q. I am trying to learn more about Rainbow sandstone for a bathroom floor. We can get some tile that is 1" thick but I wonder if thinner sandstone is available, and is thinner okay to use? I only can find suppliers from India; very little on the... Read More

Q: I'm trying to determine what products to purchase for a travertine shower with pepple floor, and a marble countertop. How often is stone-safe cleanser intended to be used? And what is the difference between pH neutral cleaner and other stone... Read More

Q: How can I remove etching that has formed on my Lagos Azul floor from cat urine? I cleaned it up pretty quickly but I see etching. A: Etching is the result of any acid coming into contact with the stone. Unfortunately the only way... Read More