Blast Technology Inc. has the most extensive and flexible arsenal of concrete polishing equipment in the midwest. Our SD-77 is capable and ready if you have several hundred thousand up to millions of square feet to be polished or our fleet of Prepmaster 4430s have the versatility to tackle any job no matter what size all the way down to our 20" & 30" planetary machines that can either help accent the larger machines our operate alone to tackle the small projects such as offices, garages and basements