Garage Door Spring Wire Size Chart

Measure the thickness of the wire in the spring.

Garage door spring wire size chart.

Use the following chart to determine the strength of each spring as measured in inch pounds per turn ippt. To order the correct springs for your garage door you ll need to know a few details about your door system. 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. The following information is needed when ordering springs.

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. Your garage door requires a specific total ippt which can be achieved by using one or multiple springs. 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.

Spring orientation only worry about this if you have a 1 s. To measure wire size insert the tape measure between the first two coils and stretch it to the last coil between the 10th and 11th coils. Measure 10 coils to the nearest 1 16. If you cannot make an exact match it is better to be one or two ippt lower and.

Grey yellow blue what the door is made of ie. Knowing the spring s length can help you find the wire size on the chart above. 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. Spring length how long each spring is 4.