The frame of the high speed PVC stacking door is similar to that of ordinary high speed roll-up PVC door. However, as the stacking door is generally used on the site with large door opening size, the wind resistance performance and strength of the door will be increased with belts. Additionally, the

High speed PVC roll up doors are doors that run at speed of more than 0.6 meters per second, also as the barrier-free isolation door that operates with high speed. The high speed PVC roll up doors are mainly composed of a door frame system, a curtain system, a drive motor, a control system and a safety system.