Q. I am a project manager for an insurance company. I have a project at a post office that has terrazzo floors. It looks like there are long cracks that I assume follow a stress crack in the concrete below. I need to give the customer an idea what it... Read More

Q. How and with what do I address a crack in a travertine table top? A. Many problems with natural stone can be resolved by homeowners. Other problems require the services of a stone restoration professional. Before you move forward with DIY repair... Read More

Q. A blue candle was left on my stone counter. Heat and humidity caused it to stain the stone blue. How do I remove the stain. If a poultice is recommended, what do I use. Thank you. A. There are two concerns to address here. The wax itself may have... Read More

Q. We had a quartzite counter island installed. The top was set flat on the cabinet, and there has been no movement. A crack appeared about one month after the installation. The crack goes opposite of the natural veining in the stone. There is a... Read More

Q. Spilled gun cleaner on my stone topped coffee table. It left a white stain. How can I remove this? A. Natural stone may not look porous, but it is. Liquids and chemicals can soak below the surface. Gun cleaners often contain strong solvents that... Read More

Q. I just received a new quartzite install, and there is a crack at the sink extending to the hole for the soap dispenser. The fabricator claims it does not affect the integrity of the stone, since apparently it's not a full-depth crack, and... Read More

Q. 25 years ago, our painter applied a sealant, possibly epoxy, polyurethane, or acrylic, to a new flagstone interior entry. It‘s held up beautifully. We are about to install flagstone in a small breakfast room. We want to retain the color of... Read More