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About John Michaels
Expertise
All questions pertaining to all indoor floor coverings regarding best products to choose, proper installation techniques, and proper maintenance techniques.
Experience
We are a nationwide floor covering inspection service. We inspect all types of indoor floor coverings in every city and town in all 50 States and in all the Provinces of Canada. We see where errors in choice of product, improper installation, and improper maintenance lead to complaints being registered and we are then called upon to inspect those products and issue certified reports indicating from where those complaint issues eminate. We have done this type of work for over 40 years.
Publications
Floor Covering Weekly & Floor Covering News
Education/Credentials
Carpet, vinyl, and hardwood manufacturing, installation, and maintenance, prior to just inspecting, and a division of our Company specifies proper floor covering choices for residential and commercial uses.
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You are here: Experts > Style > Interior Decorating > Flooring and Carpeting > Urethane on porous granite surface
Expert: John Michaels - 11/10/2009
Question
Hi John, I am in the process of polishing some black granite tile that was unevenly set and then ground down by an incompetent tile setter. I purchased a full set of dry polishing pads from 50 grit through 3000 grit and a buff in 8 steps. It is now as smooth as I can get it but does not have the factory shine to it. I know the surface is porous because the sealer I put on my test piece soaked in really fast. Can I use a urethane finish on this surface and hope to have it stay for several years? I tried some on my test piece and it does dry very close to the original black "wet look" of the factory finish but I don't know what the long term adhesion would be. I would apply several coats of urethane sanding lightly between each coat until a nice thickness was achieved. Any advice would be appreciated. Thanks, Mark.
Answer
Hi Mark;There is some more information that would be needed to answer your question, such as the type of granite, etc. Get as much information as you can on your granite flooring, including manufacturer, thickness, etc., and call 440-250-9222. That is in Ohio, and is a technical person connected to The Marble Institute of America. Ask for Mike. He should be able to answer your questions and, if he can't, he will refer you to another technical resource who should be able to answer your questions. If you had contacted me before you had done anything to the granite I would have been able to make suggestions as to proper remedies after you would have supplied me with some additional needed information. Since you have taken steps and done some tests, I feel you now need Mike's input.
If you still can't get your needed information, please get back to me.
Cordially,
John Michaels
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