Power Trowel Grinding and Polishing for Concrete floors ...
BECOSAN® System – First Steps: Grinding – Ride On Trowel BT900 from Beton Trowel NV. A Concrete Grinder, or perhaps more accurately a Concrete Floor Grinder, is a machine made specifically to grind the surface of a previously cured concrete surface.The Concrete Grinder is heavier than a power trowel and is rarely supplied as a ride on machine.