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Q. What can I use to seal the grout on my ceramic tile shower walls and is this something I can do myself?   A. Many brands of grout sealer are available for this purpose. Most sealers are easy to apply, but it is very important make sure the grout... Read More

Fred M. Hueston, PhD Sitting in my office one morning I received a call from a very upset home builder. He told me he was building a two million-dollar home on the west coast of Florida. They had installed nearly 3500 square feet of a white statuario... Read More

Q: Just had a new marble flooring installed (approximately 2500 sq. ft). Contractor did not mention polishing or sealing--job is now over..just told me to use water to clean the floor. I have since tried to find some info----do you recommend... Read More

Q. There are dark areas on my new granite seat in the travertine shower stall. I've been trying to dry out the areas with a fan and a hair dryer over a week, but they haven't returned to the normal color. How long should I wait for the... Read More

Q. We had travertine tile installed 1 1/2 years ago and I had a hole open up and it is gradually getting bigger and now a 2nd hole has opened up too. Don't know what has caused it? Need to know how to fix it? We had it sealed when it was done...... 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. We recently had travertine cross cut Torreon placed in our kitchen foyer and hallway the floor was sealed by the installer. However we would prefer to have more of a shine to the floor then we presently have. Can we, now that the floor is sealed,... Read More

Q. I understand that some stones are more porous than others and one application of sealer/impregnator may not be enough. But how will I know?A. On granites, at least two applications of sealer are recommended, with at least two hours in between... Read More