Rental Equipment for Concrete Slabs, Walls, Tiles, Bricks in any form. Aztec UltraGrind cordless grinding, polishing and edging system. The Aztec LowRider burnisher for buffing and polishing under racks and hard to reach areas. Lavina Concrete Grinder. Hippo Mixer. Walk-Behind Burnishers. Floor Machines. Get concrete mixer rental prices, curbing machine rental equipment and more.