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Q. I have a client that has crema marfil tile throughout the bottom floor of their house. When purchasing the floor they were never made aware that you could get either polished or honed. I believe they got honed. Is there a process or way to achieve... Read More

I will assume you are not cleaning it with acid cleaners. There is a possibility that there is some residual acid in the grout or the pores of the stone that bleeds out when you take a shower. Try rinsing the shower wall with a solution of baking... Read More

The acid has etched your marble, which will now have to be polished or (possibly) honed. Depending on how deep the marble is etched it may require a heavy grinding. Perform a test in a small area to determine what grit diamond will be required. Make... Read More

Marble honing and polishing can be very hard on a floor machine. For this reason I would purchase a commercial heavy duty machine. A heavy duty machine would be at least a 1 ½ horsepower motor . Stay away from the cheap 3/4 horse buffers. While... Read More

There are many factors that contribute too how far a diamond abrasive will go. The type of stone, how abrasive the stone is, how severe the lippage is, the equipment you are using etc.all contribute to the wear of the diamond. In other words, it is... Read More

Q. I used an oil stain remover made for natural stone on my light whitish-gray quartzite to remove a very faint oil ring. I did only one section and the area turned white, almost bleached. From what I could tell, the stain was gone. I contacted... Read More

Q. How do I remove melted wax rings from candles on a Bluestone outside fireplace mantle?   A. Bluestone is porous, so the candle wax has made its way into the pores of the stone. This will need to be removed first, and then if any staining has been... 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

  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

Customize Your Silicon Impregnator Application Methods Different types of natural stone have unique properties, so restoration and protection methods will vary from one stone to the next. When it comes to silicon impregnators, here’s what you... Read More