A rear torsion spring system is perfect when there is low head room in a garage.
Rear mount torsion spring garage door opener.
When the spring unwinds the energy is released causing the door to rise.
It is possible to mount torsion springs in a garage with only 5 inches of headroom.
Torsion springs and extension springs.
Dimensions listed cover the most common applications up to 8 high doors and using standard torsion springs with track vertical resting on the floor.
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Some door or spring configurations will need additional headroom due to different components required to counter balance the door.
Torsion springs are usually mounted directly above the door and sometimes on older homes with less room in the garage they can be mounted to the rear of the garage rear mounted torsion.
Mounted horizontally above the opening garage door torsion springs are twisted as the door goes down storing energy in the process.
The garage door torsion spring is located above the garage door while considering rear torsion applications it s located behind the door.
Up to 3 of additional headroom may be required for a trolley door opener.
Center bracket by its stationary cone and to the axle torsion tube by its winding cone.
The spring is mounted to the spring anchor bracket i e.
There are two main kinds of residential garage door springs.
Torsion springs are the most common type of springs found in garages and can lift more weight than extension springs.
However this requires mounting the torsion spring on the rear of the horizontal tracks.
Track sets come in bolted and riveted solutions and suitable for panel overhead doors.
Garage door track replacement service.
Garage doors operating with torsion springs require a minimum of 9 1 2 inches of headroom while doors using extension springs require a minimum of 4 1 2 inches of headroom.