121 mm to 12 in.
Double track low headroom garage door.
If an electric operator is being used add 2 51 mm to the headroom required.
Of headroom in your garage see more info below for a pdf of our how to measure guide.
51 mm to standard lift movements.
To determine the radius of the track measure from the center point of the radius to the bottom of the track as shown by dimension r.
Often referred to as dual track it is best recognized by a second horizontal track.
Dealer said this was not possible.
Low headroom track this very common garage door track option uses up even less headroom space than a 12 radius track.
This second track is installed above the horizontal section that is attached to the curve from the vertical track section.
On the other hand if there is only 4 in.
Easily converts your new track to accommodate your low headroom application.
Ideal door overhead garage door double track low headroom kit.
2 garaga strongly recommends the use of safety cables with extension springs for security.
2 track headroom 4 5 required sideroom 7 5 required backroom door height 30 required.
Some garages do not have the minimum headroom requirements for a standard garage door.
11 mail in rebate good through 9 19 20.
The top section makes the turn quicker while opening.
The top roller runs down the upper horizontal track while the remaining rollers go down the lower horizontal track.
See chart below this kit works with both 12 and 15 radius horizontal track.
For low headroom system you do not need the additional 2 in.
Double track system 8 216 mm.
The clopay garage door low headroom conversion kit bay be required if you have less than 15 in.
Requires a minimum of 4 5 of headroom.
This situation requires double low headroom tracks.
Garage doors installed with double track low headroom hardware with liftmaster 8500 garage door openers.
When equipping a garage door with an electric door opener add 2 in.
3 track headroom 8 5 required sideroom 9 required backroom door height 32 required.
1 garaga recommends the use of torsion springs for improves door operation and increased safety.
304 mm available it is best to use a dual track system designed for low headroom.
Used when headroom is extremely limited for proper door operation.