Garage Door Extension Spring Wire Diameter

The weight that shows on the bathroom scale is the size extension spring you need to order.

Garage door extension spring wire diameter.

If you cannot find the size indication simply measure the inside diameter yourself. Left wind springs are located on the right hand side of the door and right wind springs are located on the left side. For a one car garage door carefully lower the garage door onto a bathroom scale in the center of the garage door. 2 means the inside diameter is two inches etc.

Carefully remove the extension springs from the garage door. Sometimes this number is written on the winding or stationary cone. Knowing the spring s length can help you find the wire size on the chart above. 1 75 means the inside diameter is 1 inches.

Or if the door has four extension springs the door would use two 100 pound lift springs and two 110 pound lift springs. Measure 10 coils to the nearest 1 16. 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. If you see a 1 75 on the cone the spring has a 13 4 inch diameter.

These sturdy garage door torsion springs are made of steel coils with aluminum cones and can withstand any weather making them the best buy for your garage door. Measure the diameter of 1 16 of an inch. A more accurate method for weighing either a torsion spring door or an extension spring door is on our youtube channel. This door would use two 210 pound lift extension springs.