IMPORTANT POINTS TO know with our EXTRA LARGE RAPID DOOR – Folding Design

• Strength– the design of the Extra Large Fold doors gives them superior strength-ensuring they will withstand very high  winds – up to 110km/h – and harsh storms of other severe environmental conditions without damage.
• Rapid Acting – with opening speeds up to 1.2 m/s.
• Assurance – Simple manual release using a counterweighted release handle in event of power failure or similar.
• External Grade – Pre Painted Galvanized Steel Frame construction designed for external applications, & curtain designed for positive wind pressure areas.
• Safety – Adjustable infrared safety photocells detect traffic & reverse closing door.
• Additional Safety – Reversing sensor in bottom of curtain –assurance if all else fails!