How To Determine Extension Spring Size For Garage Door

To order the correct springs for your garage door you ll need to know a few details about your door system.

How to determine extension spring size for garage door.

For a two car garage door carefully lower the garage door on to two bathroom scales. The weight that shows on the bathroom scale is the size extension spring you need to order. 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. Generally when looking from within the garage if the spring is on the left side it is right wound and vice versa.

Take the measurements to a garage door professional and they ll help you find the right spring. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. Spring length how long each spring is. Spring orientation if ordering just one spring left wound or right wound.

Springs that work for a standard height door won t work for an extra tall door because the springs will need to extend farther. Spring length how long each spring is 4. Determining the correct spring for your door can be done one of several ways. Measurements you ll want to note include.

In addition to knowing the garage door s weight and height and the spring s color code knowing how to measure the spring s dimensions can help you order the right springs. Inside diameter 90 of doors have a 2 0 inside diameter 3. Inside diameter 90 of doors have a 2 0 inside diameter 3. Measure the wire size.

The spring s individual measurements are also important they determine the spring s lift. Each scale should be located approximately two feet from each side. Measure the length of ten or twenty coils of the particular spring which needs replacement in inches and compare this measurement to wire size measurement charts to establish the correct size of the wire. 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.

Height of the door extension springs vary in length. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch. 1 extension springs are color coated see the chart below and order accordingly.