After these two deductions your 18 inches of distance from top of door opening to eave ends up being all of 2 5 8 clear.
Minimum clearance for garage door track.
Step 1 the double track low headroom lhr conver sion kit is designed to modify the minimum head room clearance required.
When equipping a garage door with an electric door opener add 2 in.
Chances are you are in trouble and will have to reduce the height of your overhead door opening unless.
For a standard garage door with an electric opener you ll want a minimum of 15 inches of overhead clearance.
Headroom clearance dimensions door height centerline of shaft minimum headroom 2 track 15 radius thru 16 0 o h.
The most popular standard radius track is a 15 radius which requires 15 of headroom to accommodate the curve of the track and all other track components equipment.
See chart below this kit works with both 12 and 15 radius horizontal track.
Other standard radius options include 20 and 32 radii but the larger the radius the larger the headroom required to accommodate the curve.
This option helps provide more vertical space in the garage.
Standard extension springs require between 9 and 12 inches of headroom but you can find double track low headroom systems that only need 5 to 9 inches.
In order to install torsion spring hardware we recommend a clearance of 12 in.
Lift clearance for applications where additional headroom clearance is required.
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.
Used when there is at least the door height plus 12 of headroom clearance.
A nominal four inch thick concrete slab is another 3 1 2 thick.
51 mm to standard lift movements.
Horizontal track curve available in 12 305 mm or normally provided 16 406mm radius.
6 5 8 l c.
However this requires mounting the torsion spring on the rear of the horizontal tracks.
12 3 track 15 radius thru 32 0 o h.
304 mm available it is best to use a dual track system designed for low headroom.
5 5 8 l c.
On the other hand if there is only 4 in.
2 track headroom door height 12 required sideroom 4 5 required backroom 23 required.
Lift clearance track follow the roof headroom clearance dimensions.
Roll formed from 0 078 2mm thick commercial galvanized steel 2 1 8 54mm overall outside dimension.
3 track headroom door height 12 required sideroom 5 5 required backroom 23 required.
121 mm to 12 in.
Vertical tracks sloped to ensure weather tight seal.
It is possible to mount torsion springs in a garage with only 5 inches of headroom.
If you re thinking about getting a new garage door or you want to install a new garage door opener and are wondering if you have enough room in your garage you might be curious about just how much headroom you need for the garage door system you have in mind.