The Hum-B Floor Grinder can cover more square feet in less time, with less effort while maximizing comfort and increasing productivity. Hum-B Floor Grinding equipment is ideal for grinding or polishing concrete, terrazzo, stone, and masonry or removing paint, thin set, adhesives, VCT, mastic and epoxy floor coatings. Hum-B floor grinders are the only floor surfacing equipment equipped with the patented Dust GrabberTM dust shroud. This shroud allows the grinder to float across the surface like a puck on ice, eliminating suction lock and capturing 99% of airborne dust. Different types of abrasives are available to use with the HUM-B Floor Grinder. From cup wheels, to remove epoxy coatings or prepping a concrete floor for a new application; to polishing rings, for polishing concrete, stone and terrazzo.