In order to install torsion spring hardware we recommend a clearance of 12 in.
Sectional garage door ceiling clearance.
There is a garage door accessory called a low clearance bracket kit or low headroom kit.
Most standard garage doors with extension springs require a minimum of 10 inches of headroom.
Headroom clearance is the distance between the top of the door opening and the ceiling.
304 mm available it is best to use a dual track system designed for low headroom.
12 5 8 15 3 4.
Most common garage door track.
Dimension charts for sectional track sectional doors track headroom and backroom clearance standard lift track headroom clearance dimensions door height centerline of shaft minimum headroom 2 track 15 radius thru 12 0 o h.
12 radius 12 required 15 radius 14 25 required.
It allows the doors to run on a high and a lower track at the same time taking care of the low clearance problem.
We have an older home 45 years plus and we replaced the one piece garage door with a garage door that breaks down in to 4 sections we used this with our low ceiling due to not have enough clearance.
Used for typical applications.
On the other hand if there is only 4 in.
It can be used on any sectional garage door that has clearance problems due to low ceilings or obstructions allowing the garage door opener track to be mounted much closer to the top of the garage door than is usually possible.
When a garage door opens it rolls back on horizontal tracks.