The first step to weighing your garage door in weighing your garage door is unwinding the garage door springs to remove the tension from the torsion cables.
How to weight garage door.
Place a scale under the door.
Read the scale for the garage door weight.
If your door has two springs and both.
If you are using two scales add the weights together for the total garage door weight.
Door weight is important when trying to figure out what torsion or extension springs are needed to counterbalance the door.
The average modern steel single car door weighs around 125 pounds while double car doors weigh about 200 pounds.
Garage door weight is determined by size material steel gauge thickness insulation and glass.
Make sure your cables are a bit loose when unwinding the spring.
You can do this by backlining the springs.
Often the outer carriage will.
Position an analog scale with a board on it in front of the center of the door.
Disengaging the trolley from the drawbar carriage is not enough.