Polished concrete! The original polished concrete system with over 150,000,000 sq. ft. polished in No. America alone. Used in conjunction with Integral color, stains, and dyes - your long term colored concrete solution. Lower 10 year life cycle cost than any floor covering. Low maintenance floor. The most environmentally friendly floor system available. Only trained and certified RetroPlate applicators are used who have the right equipment and training for any job. Used on many education facilities - including LEED projects.