When equipping a garage door with an electric door opener add 2 in.
Garage clearance needed for new garage door tracks.
In the configuration only a vertical track is needed and the door moves up and bumps out from the wall only enough to accommodate the opener.
The same goes for your garage door.
304 mm available it is best to use a dual track system designed for low headroom.
Tall an additional 8 9 of vertical headroom would be needed.
It is possible to mount torsion springs in a garage with only 5 inches of headroom.
3 track headroom door height 12 required sideroom 5 5 required backroom 23 required.
There is no horizontal track.
Used when there is at least the door height plus 12 of headroom clearance.
On the other hand if there is only 4 in.
However this requires mounting the torsion spring on the rear of the horizontal tracks.
Your system will not only work better but it will also look better.
51 mm to standard lift movements.
High lift equals distance from top of door to bottom of horizontal track.
The torsion spring is what does the heavy lifting pun intended.
Dirty rusty old tracks detract from the beautiful new investment you ve made so remove the distractions and replace everything at once.
A new garage door track is very inexpensive in proportion to the amount of time you ll be using it.
For either the case of extension or torsion spring systems if you want the door to retract up and into the garage you need at least 4 inches 121 mm above the door.
As a general rule if you re adding more than 12 15 inches of extra vertical track you re going to need a new garage door opener.
If the door is 8 ft.
2 track headroom door height 12 required sideroom 4 5 required backroom 23 required.
Maximum high lift equals headroom available minus 14.
Unless your builder seriously over estimated the weight of your garage door the torsion spring has to be swapped out for a heavier duty spring.
121 mm to 12 in.
This will be enough space if you want to add an electric garage door opener where only 2 inches 51 mm is required to install one.