The BMG-735P ULTRAPRO Propane (LP) is an ideal machine for heavy industrial applications of grinding, polishing and preparing surfaces. This workhorse prepare surfaces for new coatings, remove old coatings or adhesive residues, to smooth or flatten concrete slabs including curled expansion joints, or to just simply remove unsightly surface imperfections. For decorative concrete applications, it is an ideal system for polishing concrete to a high shine or restoring old slabs for newer architectural finishes.