Vertical Lift Counterweight Door

Features:
*Designed for heavy-duty applications with limited side room
*Fabricated with multiple sections up to 100 feet or more in width and virtually any height
*This door system utilizes an overhead or floor mounted drive unit with counterweight support that vertically lifts and stacks the doors above the door opening
*The unique design with fewer moving parts- eliminates deterioration of hinges, roller and torsion springs common to other door types
*It assures near effortless operation, either by geared chain hoist or electric operator
*Limit switches, safety edges and photocell available
*Lower maintenance costs and less downtime
*Suitable for areas where there is excessive dirt, dust, or wet environments, such as factories, mining operations, vehicle maintenance facilities, aircraft hangars, power plants, swimming pool dividers, boat dry docks and secure entrances for banks or federal reserves