Q. Started a project of refinishing my kitchen table. I put polyurethane on the table top. I must have spilled some of the poly on my granite. It has hardened. How do I remove from my granite? Thank you! A. If the polyurethane spill is large, thick,... Read More

Q. My Pietra Cardosa countertops are darkening around the sink and other areas that are not covered for example around the toaster oven. I tried a paste that removes oil stains but it didn’t work. What do you suggest? A. There are several... Read More

Q. What is causing the yellow staining around the faucet on my bathroom vanity? How can I prevent this from happening? How do I remove the yellow stains? Any assistance you can offer would be greatly appreciated. I’m trying to sell the house... Read More

Q. We had mosaic marble tiles installed in our bathroom about a month ago and recently noticed the tiles about 12 inches around the toilet were a darker gray color than the rest of the floor due to a leak in the wax seal when the toilet was replaced.... Read More

Q. My porcelain tiles were very slippery (dangerous) when wet, so I used a product to make them more slip-resistant. It worked, but now I have several tiles with 5 or 6 droplet-like stains that I can't remove. The anti-slip product contains... Read More

Q. We just installed our new quartzite slab on our kitchen island and three days later we have a distinctly round stain from where our olive oil dispenser was sitting on the counter. Should I be using a poultice to get this out, or is there a better... Read More

Q. I have a shower floor that has small stones of different colors and it is yellowing in 3 places. This started right after it was installed. Someone told me it was iron in water. How do I get rid of the yellowing? It‘s in the grout and on the... Read More

Q. What is the easiest way to remove oil stains on blue stone walkway? A. Since your question is about exterior stone, we will assume that the oil is from a vehicle engine. While different oils have different properties, the initial treatment... Read More

Q. We have a new construction home with dense soapstone. Throughout the house, including the wood floors, tile floors, granite composite sink, and soapstone countertops, I am seeing marks that look like drips or drops. All of the spots are lighter in... Read More

Q. I have unsealed travertine outdoor tiles that are badly stained from a large pot. This pottery pot had a large palm in it. It became clogged and, with so much rain over time, started oozing dirty water from the pot. The breakdown of the pottery... Read More