That s because garage door extension springs have a stripe of color on them that indicates their size.
Garage door extension spring size chart.
Spring measuring tool 17 99 add to cart safety kit for extension spring garage doors installation instructions.
Dasma is a leading organization in our industry that created the guidelines and specifications for garage door springs.
My garage door is 16 x 8 and is not insulated.
How to measure garage door springs read more.
Many of the older extension springs may not have visible paint color on either end of the spring.
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.
My garage door has just one spring and it is on the right side.
Torsion springs the chart is based on information from the door access systems manufacturers association dasma.
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.
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.
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.
Garage door extension spring color chart read more.