121 mm to 12 in.
Dual track garage door opener.
Garage door parts accessories.
The main difference between garage door opener models is how the motor moves the trolley.
Often referred to as dual track it is best recognized by a second horizontal track.
Works on 12 in.
If the garage is the main entrance to your home or you have a one piece door or a heavy oversized garage door you ll probably need one with the lifting power of a 3 4 to 1.
Garage door size and frequency of use.
Standard garage door openers have a similar design.
Ideal door overhead garage door double track low headroom kit.
Click here to design your custom clopay garage door and schedule an install.
Reduces headroom for ez set torsion spring system to 9 1 2 in.
Maximum garage door height.
304 mm available it is best to use a dual track system designed for low headroom.
This very common garage door track option uses up even less headroom space than a 12 radius track.
Reduces headroom for standard and ez set extension spring systems to 4 1 2 in.
Before you purchase a new garage door opener consider these important factors.
A motor drives a trolley or carriage along a rail.
On the other hand if there is only 4 in.
In order to install torsion spring hardware we recommend a clearance of 12 in.
1 2 horsepower garage door openers work well with standard aluminum doors in a residential garage.
This second track is installed above the horizontal section that is attached to the curve from the vertical track section.