With Square Scrub Surface Preparation Machines, the process is not only more user friendly, it is environmentally friendly as well. Operators will enjoy manpower savings through our chemical free process. Where chemical stripping requires a minimum of two people, the Square Scrub chemical free process requires only one. With Square Scrub Surface Preparation Machines, operators will use significantly less water, wax and other chemicals. Our pads are made of recycled materials and at less than 73 decibels - the Square Scrub is ultra QUIET.