Natural Stone

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. How to remove a stain from a rubber backed coir mat on pavers? A. The doormat stain was caused by chemical additives, oils, or binders migrating out of the rubber backing and into the porous surface of the pavers. Moisture, heat, and pressure can... Read More

Q. I have a new quartz countertop in a Statuario marble pattern - mostly white with gray veins. I'm getting rings. Is it from hard water or could something else be causing it? What is the best way to get them out? A. In most cases, rings on... Read More

Q. I have a base to a fireplace that is gray in color and rough, not smooth. How do I identify what type of stone it is? A. It’s entirely possible that your fireplace base that looks like stone isn’t natural stone at all. Many fireplaces... Read More

Q. Can I use acetone for an oil-based stain on a Pietra Cardosa countertop? If so, how do I apply it? A. Thanks for your question! Since you haven’t specified the type of finish on your Pietra Cardosa countertop or the exact kind of oil... Read More

Q. I did not know to seal my marble stone back splash BEFORE applying a light grey grout. Now my white marble is stained grey from the grout! How do I get the grey color out of my natural stone please? A. It's discouraging to see beautiful... Read More

Q. We grouted our beautifully installed marble backsplash with a gray grout without sealing the marble first. Unfortunately, the marble—which was originally white has now turned grey. It seems the grout has discolored the surface. Is there... Read More

Q. Is it possible to remove a bleach stain from a green slate worktop? This is a Cumbrian slate from the north of England. A. Yes, it is possible to remove a discoloration on slate that was caused by bleach. To be clear, bleach doesn’t actually... Read More

Q. How can I remove drip stains caused by hydrochloride acid that was mixed 10:1 with water?? I was washing the walls and only left the acid mix on for no longer than 5 mins but the lower tiles have drip lines on them. A. What is the tile is... Read More

Q. Please advise what kind of poultice should I use for red shirt dye in Yorkshire stone flag stone. A. Yorkshire stone is a soft, thirsty sandstone that grabs color quickly. The good news is that most clothing dyes are organic, which means they can... Read More