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We have an old terrazzo floor that has been covered for years with wall-to-wall carpet. We want to remove the carpet, but it is held down by tack strips which have been nailed into the terrazzo. When I tried pulling up one strip, large chunks of the

The tack strips can be removed by cutting the nails flush with the terrazzo. A hack saw blade can be wedged under the wooden strip and the nail can be cut. A faster method would be to use a diamond saw blade mounted on a rightangle grinder. The shaft... Read More

I was called to remove a heavy wax coating on a granite floor. I’ve discovered that the janitorial company has been stripping and waxing this floor for several years. The problem is the granite is developing small pits and appears to be falling

The problem may be with the strippers that have been used. Many strippers have an alkaline pH and this can lead to the deposit of alkaline salts in the pores of the granite. If the stripper is not rinsed throughly and any stripper residue is left... Read More

I have a white marble floor that has been coated with a polyurethane -- the same type that is applied to wood floors. What is the best method to remove the urethane? Can I grind it off or will I need to use a stripper of some sort?

Depending on how thick the urethane is you might be able to grind it off. Grinding can be difficult and can clog your abrasives. The best solution will be to chemically strip the tile. Use a stripper designed for removing polyurethane. Be careful... Read More

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