Garage Door Spring Size Chart

Your garage door requires a specific total ippt which can be achieved by using one or multiple springs.

Garage door spring size chart. Azsp3302b futura spring 480mm 19 74 40 5 0mm black with blue loop grp futura range up to 8 wide entex purple tip spring this spring replaces blue. 2 weigh the door. 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.

Fits garage doors up to 8 wide fitted before 1997 ref. 1 extension springs are color coated see the chart below and order accordingly. Garage door spring size chart. To measure the torsion springs follow each of the following steps carefully.

Use this method if the door worked correctly before the spring s broke and the garage door has not been tampered with. If the garage door has two springs measure each spring individually. Inside diameter 90 of doors have a 2 0 inside diameter 3. Spring strength ippt charts use the following chart to determine the strength of each spring as measured in inch pounds per turn ippt.

In this post you ll find a garage door spring chart for torsion springs and extension springs. Torsion springs the chart is based on information from the door access systems manufacturers association dasma. 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. The spring will grow 7 5 coils or 7 5 x 250 for the coil size or 1 7 8.

For a single car door place a bath scale in the. 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. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. Springs are usually stretched an extra 1 8 so the total addition to the spring length is eight coils or two inches.