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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

Q. I have travertine tile with some holes in the tile and would like to fill them in. Is there any material other than putting the grout into the holes to file them? What is the best material to use so that the holes that are filled do not have to be... Read More

Q: We have travertine floors throughout the kitchen and hallways. We just noticed small holes in a number of different tiles that were never there before. What could be causing this? Is there anything that we can do to fix it?   A: Travertine has... Read More

Q. What is the best way to fill holes in travertine tiles?A. One quick and effective way of filling holes in honed travertine is to squeeze some almond-colored caulking material in the holes. Fill in excess, push the filler in as deep as possible... Read More

When certain granites are honed, there is always a chance of removing some of the mica within the granite. Mica is a mineral found in some granites. The mica is composed of small flakes which easily flake out when honed. Unfortunately there is no... Read More

These tiny holes are a common problem with not only travertine but can also occur on agglomerates. The best way to fill these is with what is known as a penetrating glue. This is water thin polyester that will flow into these holes. TIP Filling tiny... Read More

Some agglomerate tiles are poorly manufactured and will have tiny air holes which open up when ground. This most likely what happened in this case. These tiny holes are so small that it is difficult to get grout and polyester to flow into them. To... Read More

Q. I found a pile of travertine tile in my newly purchased house. It's not used anywhere in the house but would like to use it for a bathroom floor. Problem is, many of the tiles have holes that go through, some as big as a dime. Is there... Read More

How to Remove Oil Stains on a Granite Floor Oily stains on a granite floor can be difficult to remove. Assuming you have not had success cleaning the affected area, your next step is to apply a poultice.  Fred Hueston, Chief Technical Director of... 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