How To Weigh A Garage Door With Extension Springs

Once you know the total weight of your garage door using a bathroom scale for doors under 300 pounds you can use the chart below to see the color extension spring you need.

How to weigh a garage door with extension springs. Use a ladder to reach the torsion spring and raise the door. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. Weigh a garage door for extension springs. Insert a winding bar into the top winding cone on the broken spring.

Each color represents a different weight rating from 10 lbs to 300 lbs. Pull down 90 and insert the other. Extension springs are color coated according to weight based on dasma standards. How to weigh a garage door with torsion springs.

Disconnect the power cord from the outlet. If your spring is old enough and near the end of its life cycle there is a good chance the color labeling has rusted off.