Ivy growing on the side of a home or building creates a feeling of warmth, reassurance, and interest. However, the tendrils or aerial roots can grow into the brick or stonework, causing it to flake and fall apart. If you decide to remove ivy or other... 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. I randomly stumbled on your website. I have a quick question if you’re willing to share advice. I have marble (or it’s quartzite) in my bathroom, and somehow it’s rusting where the faucet is. The stone is changing a rust color. I... Read More

Q. The house was built in 1975, the entry and hall is the multi-color stone/slate typical of the 1970'sThere are faded red, dark gray, green-gray and light gray random shapes all with 90 degree corners.Can this floor be changed to a single gray... Read More

Q. What are those white dots on my white marble?   A. This article, by Frederick M. Hueston, Stone Forensics, provides the answer.Have you ever wondered what those white dots are on white marble? You sometimes see thousands of them in high... Read More

Q. I am facing a problem with my Calacatta marble floor. Some tiles are getting darker because of the moisture content increment, so is there any chemical that can be used to suck out the moisture from marble, and return it into white color? Thanks... Read More

Q. We just finished the installation of our walkway with bluestone 4 weeks ago. However, on almost every piece of the stone, there are different shapes and sizes of water stains like footprints or footballs on them and never go away even in the dry... Read More

How Stone Consolidants Work Exposure to wind, rain, and temperature fluctuations can take a toll on stone and masonry. Other environmental factors that can cause degradation include pollution, physical stresses like vibration, and exposure to acids,... 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 subflorescence. These... 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 subflorescence. These... Read More