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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. 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

Stone Myths By Frederick M. Hueston www.stoneforensics.com Over the past 20years I have heard many stories about the reasons stone will fail, turn color, fade or what ever. Many of these stories are funny and almost all of them are just plain... Read More

  Efflorescence - Removal and Prevention   By Frederick M. Hueston www.stoneforensics.com The crystallization of soluble salts in Historic masonry causes severe deterioration of the substrate. This crystallization is called... Read More

Q. Should I use the enhancing sealer followed by regular water based sealer? A. No. You will want to use one or the other. If you want to enhance the colors, use an enhancing sealer.   Fred M. Hueston Chief Technical Director www.stoneandtilepros... Read More

Wax build-up on a vertical surface can be difficult to remove, since most strippers will run. Janitorial supply stores do offer spray-on baseboard wax removers that work very well; since they are applied as a foam, they will cling to vertical... Read More

Most of the stone soap products sold by stone care suppliers contain vegetable oil-based soap, and are safe for marble surfaces. However, a good quality pH neutral cleaner, such as Stonecare PRO Signature’s Marble Cleaner is a much better... Read More

The best way is to seal this space with silicone or acrylic caulking. Run a bead around the perimeter of the base. When you are done with the job the caulking should easily peel off or you can leave it in place. CAUTION If you use silicone caulking... Read More

Q. The travertine in my shower was cleaned with a bleach-based cleaning product, causing a stain. Will my travertine need to be replaced? A. Bleach should not cause a stain on travertine. You are probably seeing alkaline etch damage. A stain... Read More

Q. My house cleaning service may have used an acid-based bathroom cleaner on my marble vanity top and caused damage. Can this be fixed? A. If the damaged area is small and not too severe, you can try to fix it yourself with a quality marble polishing... Read More