Overhead Door Garage Door Torsion Spring Chart

In this post you ll find a garage door spring chart for torsion springs and extension springs.

Overhead door garage door torsion spring chart.

1 75 means the inside diameter is 1 inches. Dasma is a leading organization in our industry that created the guidelines and specifications for garage door springs. Finding the right size springs is a crucial part of repairing your garage door and ensuring it lasts for years to come. Torsion spring inside diameter and overall length in many cases the inside diameter of the torsion spring will be indicated on the stationary cone in between the two springs at the midpoint of the door.

After winding the spring you may need to add or subtract a quarter turn or more. Garage door spring size chart. On standard lift doors the formula is dh dc 1 or the door height in inches divided by the drum circumference in inches plus one. Dasma stands for the door access systems manufacturers association.

2 means the inside diameter is two inches etc. Many of the older extension springs may not have visible paint color on either end of the spring. In order to order new garage door torsion springs you will need to measure as accurately as possible your current spring s and find the. We will use the corrispoding weight you ordered to customize the perfect spring s to balance your garage door.

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. If you cannot find the size. Spring length how long each spring is 4. Inside diameter 90 of doors have a 2 0 inside diameter 3.

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This video applies t. Door weights 150lbs and under will be shipped with 1 high cycle life torsion spring.