Retractable up and over.
Retractable garage door gear.
They are quick and easy to install and also provide the full drive through width when open unlike the retractable mechanism.
This garage door type can be made remote control but requires extra equipment i e.
Retractable door gear is much more robust and the side spring mechanism can support the heavier double size doors that are wider than 8ft.
Retractable up and over garage door gear is a very reliable robust and smooth operating mechanism that can easily be automated without the need for any additional conversion equipment.
Canopy bow arm converter and is therefore more expensive to convert to a remote control door.
The door panel hangs down in the opening and reduces the height depending on the thickness of the panel itself and the width can be reduced as mentioned above when using retractable door gear.