Stone & Tile Restoration

There is no standard grit size that determines when marble is honed. Generally a 120 or 400 grit is honed, but this will vary from marble to marble. Perform several test patches and determine which grit will give you or your customer the appearance... Read More

A good way to hone an uneven, polished marble tile is to use loose grit. Silicon carbide is available in a loose form. To hone simply sprinkle some loose grit on the tile and work it with your floor machine and a white pad. TIP Another way to remove... Read More

Sounds like you are dealing with a tile floor that has not been installed properly. A poorly installed tile will sound hollow when you tap it with a broom handle . The hollow sound is an air pocket under the tile. The material that the tile is set in... Read More

There is only one solution for this problem--replace the tiles. Some green marbles are very susceptible to curling when they are installed using a water based setting material. The installer should have used a water-less setting material such as... Read More

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

Some grout colors can be bleached by the oxalic acid in polishing powders. You are always urged to perform a small test to determine if this might happen. It is possible to recolor the grout. There are several companies that sell grout colors which... 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

All minerals have a certain hardness. The hardness of a mineral is determined by performing a scratch test. A scratch test is based on the Moh’s scale of hardness. A German scientist invented this scale by taking several known, pure minerals... Read More

No, it is absolutely false. There are soft, dark marbles and there are hard dark marbles. For example, negro maquina is a very soft marble. On the other hand Vermont Green is a very hard dark marble. Do not rely on color alone to determine the... Read More

Granite is much harder than marble. The hardness of stone is measured on a scale of 1 to 10. Ten is the hardest mineral. Diamond is a ten. Most marbles fall in the 3-5 range and granites fall into the 7-8 range. A simple test to determine if you are... Read More