7" Heavy-Duty Concrete Surface Grinder | CS Unitec
Concrete Grinding and Polishing Machines. Lavina offers electric, propane, self-propelled, remote-controlled and edger grinders. These machines are ideal for grinding and polishing concrete, natural stone, terrazzo, and overlays.. Terrco floor grinders, originally for terrazzo polishing, have evolved into rugged and durable concrete surface preparation machines.Floor Grinders & Polishing . Preparing, grinding and polishing concrete floors, as well as repairing and polishing terrazzo and other natural stone are demanding jobs. To be a successful professional operator you need a unique combination of skills, physical strength and a well developed feeling for the material you're working on, with a .