Q. Our house was built in 1967 and has black slate flooring inside and on the porch and terrace. We've had some restoration work done, but we're not happy with how it looks. Even after sealing, it doesn't have the polished or wet look... Read More

Q. I have tried removing rust stains on these stone columns (on testing the base is limestone), and I believe the columns are the same? I've used a number of different branded products and oxalic acid but none of these have removed/lessened the... Read More

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. We recently decided to use our small patio set, and we took it out of storage, and there is a broken bird a egg on the stone top. Obviously, this must have happened in spring. The contents of the egg is as hard as a rock. Is there a safe solution... Read More

Q. What product is successful to remove calcium build-up on our family marble gravestone?  A. The best products for removing calcium build-up on marble gravestones, headstones, monuments, and other exterior marble are cleaners specifically made for... Read More

Q. After we applied a color enhancer to our Eromosa stone (from Owen Sound, Ontario), we noticed some efflorescence. Not sure if it was there before the enhancer was applied. Is there any way to get rid of it? A. What you’re seeing is very... Read More

Q. Hi. A foaming tub cleaner was knocked over on my granite sink counter, and I have no idea how to fix the discolorations it caused. I see all kinds of fixes for foods and oils online but none for cleaners. Please help, asap!!! A. When a tub... 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. We have a new Calcutta Matarazzo Dolomite kitchen honed bench top. Only in use since Xmas Day 2025. We are seeing shiny streaks across the surface. Do we need to request the stonemason to return and repolish the surface, or can you advise of... Read More

Q. My housekeeper put straight vinegar on my shiny black marble floor on the entry way only to my bedroom & bathroom. I have ordered an etch removal product. Is this all I need? What else will I need to do? Should I sand the etched area? A.... Read More