Garage Door Extension Spring Dimensions

Torsion springs turn as you open and close your garage door.

Garage door extension spring dimensions.

For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. Extension springs do as their name suggests. A failing unbalanced or poorly matched spring. If you see a 1 75 on the cone the spring has a 13 4 inch diameter.

Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch. Plug end extension spring is a p528 28 in. 7 doors require a 25 long spring that stretches up to 42 67 total length when the door is closed 8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions. Springs in general last about 10 14 years or 15 20 thousand.

Sometimes this number is written on the winding or stationary cone. Two p528 springs one on each side of the door can handle a 105 lbs. Extension springs and torsion springs are the two kinds of garage door springs you ll find in garage doors. They extend as your door moves and helps to balance your garage door.

A functional garage door system lifts the door in a balanced manner. Torsion springs vs extension springs. An unbalanced door is a sign of. For a complete list of garage door extension springs for 7 8 9 10 11 12 13 and 14 tall doors click here determine the door weight and door height.

Plug end extension spring is a holmes spring replacement for heavier 1 piece tilt up canopy style garage doors. 2 means the inside diameter is two inches etc. Measure the height of the garage door. Left wind springs are located on the right hand side of the door and right wind springs are located on the left side.

Measure the diameter of 1 16 of an inch. 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. Torsion springs need to provide enough force to equal the weight of the door. 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.

1 75 means the inside diameter is 1 inches. The pull weight of an extension spring is determined by the color code found on the end of the spring. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. 0 items 0 00.

Torsion springs and garage door weight. Door with an initial tension of 165 lbs.