Position an analog scale with a board on it in front of the center of the door.
How to weigh a heavy garage door.
How to weigh a garage door that has torsion springs 1.
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.
Slowly lower the garage door back down until the garage door is sitting on the scale.
Make sure your cables are a bit loose when unwinding the spring.
If your door has two springs and both.
Remove the opener arm.
If you plan on reinforcing your garage door with extra steel braces you need to plan for weight being added to the door.
If the garage door has a spring that is not broken push up slightly with the winding bar until the cables loosen and the entire garage door weight is on the scale.
Struts add on average 1 lb per linear foot to the door weight so a strut for a double door 16ft wide will add about 16lbs to the total door weight.
Read the scale for the garage door weight.
Often the outer carriage will.