In this post you ll find a garage door spring chart for torsion springs and extension springs.
Garage door spring wire size chart.
For example on a seven foot high garage door a 34 spring comprised of 250 wire would grow eight coils when it is wound and stretched.
Measure the thickness of the wire in the spring.
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.
Grey yellow blue what the door is made of ie.
To order the correct springs for your garage door you ll need to know a few details about your door system.
Spring length how long each spring is 4.
Knowing the spring s length can help you find the wire size on the chart above.
Measure 10 coils to the nearest 1 16.
Inside diameter 90 of doors have a 2 0 inside diameter 3.
Spring orientation only worry about this if you have a 1 s.
Your garage door requires a specific total ippt which can be achieved by using one or multiple springs.
Metal wood or grp.
The size of the garage door width x height length of the spring over the coils how many coils make up the spring diameter of the spring and wire if possible any colour to the spring ie.
If you cannot make an exact match it is better to be one or two ippt lower and.
The spring will grow 7 5 coils or 7 5 x 250 for the coil size or 1 7 8.
Springs are usually stretched an extra 1 8 so the total addition to the spring length is eight coils or two inches.