Garage Door Spring Gauge Chart

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.
Garage door spring gauge chart. Select the appropriate wire gauge for your replacement spring by measuring 20 coils on your existing spring and matching the value to the chart below. Measure the diameter of 1 16 of an inch. Garage door springs are under extreme tension and require appropriate safety precautions. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.
Listed below are the most common residential wire gauge sizes. 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. Left wind springs are located on the right hand side of the door and right wind springs are located on the left side. This is the number of turns that are on your spring.
Garage door spring size chart. Door with an initial tension of 165 lbs. Sometimes this number is written on the winding or stationary cone. If you see a 1 75 on the cone the spring has a 13 4 inch diameter.
Your health and safety is the 1 concern. Torsion springs the chart is based on information from the door access systems manufacturers association dasma. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. For example a 14 high door is 168 high.
Two p528 springs one on each side of the door can handle a 105 lbs. Plug end extension spring is a holmes spring replacement for heavier 1 piece tilt up canopy style garage doors. Many of these have drums with 17 circumferences. Spring orientation only worry about this if you have a 1 s.
Realize and understand the risks before undertaking any repair. If you cannot find the size indication simply measure the inside diameter yourself. Spring length how long each spring is 4. Repairing a garage door is a dangerous task.
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. Torsion spring torque calculator the sectional overhead door calculator how to measure garage door torsion springs door gauge chart encrypted tbn0 garage door torsion spring replacement how to measure garage door torsion springstorsion spring calculator instructions qualityhow to measure your garage door torsion springgarage door torsion spring how many turns mycoffeepottorsion spring. 2 means the inside diameter is two inches etc.
Measure the circumference of the cable drum and measure the height of the garage door in inches. No amount of financial savings is worth jeopardizing your health. 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. Divide the height of the garage door by the cable drum circumference then add one.