* Door panel constructed by 4 to 5 horizontal sections hinged together
* Minimum headroom: 300mm
* retract completely to open position

Unlike normal doors that swing sideway or roller shutters that rolls up into a cell, automatic garage doors are guided by tracks that open upwards to over head position electrically by garage door openers controlled by a handheld remote control.
 
By installing a garage door opener, you no longer have to get out of the car to open the garage door manually every time you come home. Besides convenience, automated garage door offers additional security features:


* The opener replaces the garage door lock, it locks the door automatically when closing.
* Opener also provides light whenever the door is activated.
* Automated opener will reverse when obstructed going down, and will stop when obstructed going up.

How does garage door opener work?

* The weight of the garage door is counter-balanced by the torsion spring.
* Microprocessor inside the opener received encrypted signal from the remote control, amongst other operation such as auto reversal upon obstruction and recognizing up to 16 remote control, opens or closes the door electrically with a motor.
* The garage door opener only needs to overcome friction to lift or lower the door much faster.
* As the power rail is right above the middle of the door and acts along its center of gravity, door movement is much more stable and as a result, quieter.
* Contact us to learn more about working principle of garage door opener