The Terrazzo Polishing Process Explained

polishing a terrazzo floor

Terrazzo is a thick surface made from chips of different types of stone and marble. This is why it can be ground and polished. Most often it does not need to be replaced. This makes terrazzo a great option for floor surfaces. When the terrazzo is old and lost its shine and lustre, it can be polished back again to its original look. It is best to consult with your local terrazzo polisher to get advice and a quote. Keep reading to learn about the polishing process, so that you can get a better understanding of just what is involved. 

The terrazzo machine used to grind the floor has different diamond pad grits and coarseness. The process starts with the most course pads and finishes with a fine pad. It spins the pads in a circular motion and the specialist terrazzo polisher walks it around the room, working the entire surface. 

heavyweight is applied at the beginning of the process and lighter weight is applied towards the end. This provides a very fine polished finish. 

The floor is first sprayed with water. This helps to reduce dust and create a much deeper and aggressive grind. Wet grinding is better than dry grinding because it is quicker and more efficient. The expert staff ensure that the surface is ground evenly.

This process doesn’t get into the edge of the room, so it needs to be done by hand at the edge. 

Terrazzo cracks and holes can be fixed by drilling the holes larger. A terrazzo mixture is made to match the existing floor. This is then applied to the floor and ground down. 

After the grinding is done the terrazzo floor is then polished. A planetary polishing tool is used to polish with. It has circle discs that rotate and also spin. A compound polish is used with the terrazzo polishing machine. It is acid-based and is applied to the floor than water is sprayed on top. Then the worker operates the polishing machine, where he walks it around the room. The acid wash burns the shine into the terrazzo.