Prestige's Bi-Power Sleeper Modified: Free-floating resilient sports floor system designed for multi-purpose use as well as more rigorous activities. Bi-Power Sleeper Modified is highly recommended for basketball, volleyball, badminton, team-handball, dance, racquetball, squash, fitness & training and all other heavy duty sports activities at different levels of competition. Bi-Power Sleeper Modified achieves excellent resiliency, comfort, shock absorption, reduction of dead-spots and higher performance. The combination of sleeper and plywood sub-floor system provides the strength to support evenly heavier load distribution including bleachers, telescopic seating and other gym equipment. The plywood eases the impact from players and/or enhances the ball bounce as well as builds up the uniformity of shock absorption.