Garage Door Extension Springs Sizing

If your garage door has extension springs the springs stretch out as the door closes and retract as the door opens the garage door industry has released a standard color chart for the strength pull for these springs as seen in the table below.

Garage door extension springs sizing.

Finding the right size springs is a crucial part of repairing your garage door and ensuring it lasts for years to come. Color coding is the consistent measure for extension springs a 150lb red spring for a 7 door could have been manufactured in several different sizes if you are not sure what color your old spring was use a bathroom scale to weigh the door while it is unsprung and disconnected from your door opener. Torsion springs need to provide enough force to equal the weight of the door. The weight that shows on the bathroom scale is the size extension spring you need to order.

The length is the measurement of all the coils pressed together. Torsion springs vs extension springs. Dasma stands for the door access systems manufacturers association. In this post you ll find a garage door spring chart for torsion springs and extension springs.

How to determine the correct extension spring for your garage door measure garage door springs correct garage door springs garage door parts garage door spring overhead door spring overhead door part 734 568 0287 mon fri 8am 4pm est my account. A failing unbalanced or poorly matched spring. Torsion springs and garage door weight. Carefully remove the extension springs from the garage door.

A functional garage door system lifts the door in a balanced manner. Many of the older extension springs may not have visible paint color on either end of the spring. Introduction to sectional garage door extension springs. An unbalanced door is a sign of.

For a one car garage door carefully lower the garage door onto a bathroom scale in the center of the garage door.