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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

Thu, Jan 20, 2022 0 0 588 0/5 (0 Vote)

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

I ground an agglomerate tile floor and it has all these tiny pin holes in it. I can’t find anything to fill these pin holes. Any suggestions?

Thu, Jan 20, 2022 0 0 697 0/5 (0 Vote)

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

What is a breccia marble?

Thu, Jan 20, 2022 0 0 667 0/5 (0 Vote)

Breccia is an Italian word for breach or broken pieces. When marble is formed deep in the earth it will sometimes be exposed to earthquakes, which will break the marble into many pieces. Over thousands of years the marble will glue itself back... Read More

I just cleaned a black marble floor with a wax stripper. As it dried, it turned white. I have tried rinsing it and nothing seems to work. Is it ruined, or can it be fixed?

Thu, Jan 20, 2022 0 0 589 0/5 (0 Vote)

It is probably not ruined, but removing this whitish haze can prove difficult. If the black marble is an agglomerate, chances are the alkaline stripper has attacked the polyester resin that binds it together. If so, the surface will have to be honed... Read More

I just honed a travertine floor and it has all these very tiny pin holes. Knife grade and the flowing grade polyesters will not fill in the holes. Do you know something that will?

Thu, Jan 20, 2022 0 0 565 0/5 (0 Vote)

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

I was told that I can polish marble after the 400 grit and do not need to use diamonds higher than 400. Is this possible?

Wed, Jan 19, 2022 0 0 736 0/5 (0 Vote)

Yes it is very possible. Many experienced craftsman can powder polish marble immediately after the 400 grit. It takes a little practice but can save you a ton of money on abrasives. One word of warning, this method will not work on all marble. This... Read More