Garage door spring size chart.
Garage door torsion spring turn chart.
Use the following chart to determine the strength of each spring as measured in inch pounds per turn ippt.
The formulas for determining the number of turns to wind a torsion springs is based on the drum number door height and high lift dimension which is the distance from the top of the door to the center of the horizontal track.
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.
If you cannot make an exact match it is better to be one or two ippt lower and.
Door weights 150lbs and under will be shipped with 1 high cycle life torsion spring.
All dura lift springs meet the dasma standard rating of 10 000 plus door open and close cycles.
Inside diameter 90 of doors have a 2 0 inside diameter 3.
We will use the corrispoding weight you ordered to customize the perfect spring s to balance your garage door.
Spring orientation only worry about this if you have a 1 s.
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Spring length how long each spring is 4.
Weighing your garage door is the best possible way to determine the proper springs needed for the door.
Dasma is a leading organization in our industry that created the guidelines and specifications for garage door springs.
Your garage door requires a specific total ippt which can be achieved by using one or multiple springs.
Both the winding and stationary cones are professionally installed for safe operation.
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The chart is based on information from the door access systems manufacturers association dasma.
Install new or use this pair of left install new or use this pair of left and right wound torsion springs to replace broken sectional garage door torsion springs.
As with the vertical lift doors the formula for the number of turns on the springs is complex.
Do not attempt to install springs or hardware yourself unless you have the proper tools reasonable mechanical aptitude and experience and upper arm strength.
This system aids in proper identification for repair ordering and.