Lift clearance track follow the roof headroom clearance dimensions door height centerline of shaft minimum headroom 2 track 15 radius thru 16 0 o h.
Garage door track length.
Used for typical applications.
6 5 8 l c.
If adding a garage door opener onto an existing door.
5 5 8 l c.
H door height h total height d 5 2 track 11 3 track.
This second track is installed above the horizontal section that is attached to the curve from the vertical track section.
A minimum of 12 is typically required.
Most common garage door track.
This very common garage door track option uses up even less headroom space than a 12 radius track.
12 3 track 15 radius thru 32 0 o h.
If you have 12 305 mm headroom with torsion spring operation and you would like to install an electric operator special top brackets quick turniing brackets are available.
This is the distance from the garage door opening to the back wall of the garage.