I called JFB Concrete with questions about how to clean up my concrete garage floor. It had extensive stains from oil-based wood stain. He suggested I rent a concrete grinder from Home Depot. The grinder cost me $127 to rent and it took me two hours to complete a 3-car garage. I had received quotes from between $1500-$2400 to have the work done by other companies. 5-stars, highly recommended.
