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I have to restore an outdoor sign that is made of a black agglomerate marble, the sign is faded and is very gray. I performed a small test patch and I was successful at restoring the sign. The question I have is, what caused the agglomerate to fade a

Agglomerate marbles are made of a combination of marble chips and a polyester resin. Polyester resins are very sensitive to ultraviolet light(UV) and therefore should not be used outdoors. To answer your question, yes, the marble will fade in a very... Read More

Can slate be polished like marble?

No, slate does not polish very well. The only way to put any kind of shine on slate is to apply a coating. There are several brands of acrylic coatings designed for slate and other stone. Check with your local janitorial supply or one of the stone... Read More

Is it possible to polish a terrazzo floor like marble?

Terrazzo is in fact a marble floor. Terrazzo is comprised of marble chips mixed with Portland cement and polishes just like a marble floor. Many terrazzo contractors hone the terrazzo to about a 80 or 120 grit and apply a wax coating. If you continue... Read More

I am having trouble polishing a travertine floor. I can get a good polish except for the fact that I have a lot of dull spots on the floor. Why is this and is there a way I can make the shine even across the surface?

Travertine is a marble that has a lot of holes. These holes are filed at the factory with a colored Portland cement. When you polish the marble the fillers do not take a polish. This is why you get dull spots. The only way to eliminate the dull spots... Read More

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