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I am assuming that the black marble you are referring to is negro marquina. If this is the case you will find that this type of black marble is very susceptible to spalling of the veins. Over-polishing with either powder polishes or recrystallization... Read More

You are probably using a white or buff colored polyester. These colored polyesters are hard to color since they have a bright translucent hue. The best polyester to use would be a transparent type. To mix the proper color you can purchase artists oil... Read More

Most bricks are made of material known as magnasite. The magnasite has a shelf life of about one year. If you have bricks that are made of magnasite and they are older than one year you risk the chance of them falling apart. There are newer bricks... Read More

The material you are describing is probably a marble known as rossa perlinio. This type of marble, when it is formed has mud running through it and this is what the soft veins are---mud. Unfortunately the only cure is to fill the veins as the erode... Read More

Small cracks in a terrazzo floor can be repairs as follows: Clean the crack with acetone, making sure to remove all dirt, old wax and other debris. A dental pick is helpful in removing old wax buildup. After the crack is cleaned you will notice that... Read More

Yes, there are several fillers that can be used that will take a polish. If the area is small you can use a polyester filler. These polyesters are sold at marble supply houses as Akemi, K-bond, Chemolit, etc. You will only be able to fill several... Read More

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

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

Diamonds are the most popular abrasive for honing marble but are not the only abrasive. Alternative abrasives are as follows:SCREENS screens are silicon carbide mesh that can be used dry or wet. The disadvantage with screens are that they wear very... Read More

Q. I found a pile of travertine tile in my newly purchased house. It's not used anywhere in the house but would like to use it for a bathroom floor. Problem is, many of the tiles have holes that go through, some as big as a dime. Is there... Read More