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Q. I have had a travertine patio for approximately 10 years installed in sand. It has accumulated dirt from not being hosed or washed. What products do you recommend to clean it?  A. How to go about cleaning your patio depends on whether your... 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

Graffiti Removal Procedure for Stone, Masonry, and Tile Surfaces By Frederick M. Hueston, www.stoneforensics.com If your beautiful building, wall, or other surface has just become the unintended canvas for graffiti, your first reaction might be to... Read More

Q. We have a new home with black limestone in the master bathroom shower. I am looking to make a DIY cleaner for routine cleaning of the stone. Do you have a recipe or suggestion of products to use to make the cleaner? A. DIY cleaners can be... Read More

Q. I hired a cleaner and she used limeaway with mold control from Clorox. And it appeared to have left white stains in my bathroom stone tiles. These don‘t wash away with water. What should I do? A. Unfortunately, this is not a stain that you... Read More

Q. What is the best cleaner to use on limestone floors? The floors in my bathroom are starting to look very dirty, with grayish marks and spots all over. A. It sounds like your floors have been etched -- probably by using an acid based cleaner. Many... Read More

Do Not Mix Chemicals for a Poultice Most grown adults know that chemicals can be dangerous. Sometimes when people are creating a poultice for stain removal on natural stone or other surfaces, they consider mixing chemicals without realizing that... Read More

Q. The resin coating of our Knoll Saarinen marble top table has been cracking and peeling for the past year. We don't know what to do. Any advice?   A. Some manufacturers use resins to create a topical polish, which look amazing... at first.... Read More

Q: I just purchased an extremely light colored travertine slate for my front room, but would like a richer, darker color for the slate. Since it has not yet been sealed, can the slate be "colored" or "stained" before it is installed? A: Are you... Read More

Q: My 6 month old shower has a travertine shower pan and a combination of ceramic and travertine tile on the walls. There are hard water marks all over the tile and on the fixtures and I need to get them off. I have already tried some of the... Read More