
How to Grind a Concrete Floor to Accept Epoxy Paint | Home ...
Floor Grinders. The grinder operates by running a rotating disk across the floor, which removes up to 1/8 of an inch of material at a time. Disks are typically made from silicon carbide or tungsten carbide, or may be embedded with diamond bits. Grinders can run on gas, propane or electricity and can be wet or dry.