Rust-resistant track and hardware are constructed of hot-dipped galvanized steel
1. Steady and reliable control system.
2. Adjustable pulley brackets.
3. Spring break safety standard.
4. Rope break safety standard.
Vertical Bi-Folding Door consists of upper panel, lower panel, track, lifting system, sealing system and safety device, widely use of portal space, small hangar, garage, restaurant and other special occasions.
The door operator is installed on lower panel, while electric motor rotates the rolling block to change the length of lifting belt or steel wire, to make opening and closing.
Color plate, aluminum plate, corrosion resistant plate, aluminum composite plate or PU plate for outside decoration are available and can be selected by the clients.