1 extension springs are color coated see the chart below and order accordingly.
Garage door extension spring size chart.
Garage door spring size chart.
Dasma stands for the door access systems manufacturers association.
The spring is 2 id wire size is a little over 25 and the overall length is 34.
The spring is blue the spring body on the end of the spring is black and the tightening screw in the spring body is red.
Many of the older extension springs may not have visible paint color on either end of the spring.
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.
2 weigh the door.
My garage door is 16 x 8 and is not insulated.
For a single car door place a bath.
Torsion springs the chart is based on information from the door access systems manufacturers association dasma.
Dasma is a leading organization in our industry that created the guidelines and specifications for garage door springs.
Selecting the right extension spring while measuring torsion springs to make sure you get the right one is fairly easy getting the right extension spring is even easier.
My garage door has just one spring and it is on the right side.
That s because garage door extension springs have a stripe of color on them that indicates their size.