School Room Dividers are Built Using Innovative, Exclusive Features Locking storage latches keep the panels secured in place while rolling or storing the divider. A metal hinge connects acoustical panels, top to bottom, to provide strength and stability. Pedal activated brakes on end casters keep the acoustical panels secure and steady. A 1/2″ closed cell honeycomb core is covered by two layers of fiberglass insulation on each side for maximum sound absorption. Molded position control hinges help the divider remain in the desired configuration. Our freestanding partitions are built with 76% recycled material. Self-leveling casters keep room dividers stable even on uneven surfaces. Panels are tackable for displaying materials using pins, staples or tacks.