Measure the circumference of the cable drum and measure the height of the garage door in inches.
How to measure for garage door springs.
The best way to measure the wire size of your garage door springs is to simply measure 10 20 30 and 40 coils.
For example a 14 high door is 168 high.
The spring should be measure as it is unwound.
When you measure a garage door spring it s not enough to simply take a tape measure and record the length from one end to the other.
This is the number of turns that are on your spring.
After you measure the length of this spring you need to measure the diameter of the spring.
Spring orientation if ordering just one spring left.
Inside diameter 90 of doors have a 2 0 inside diameter 3.
Measure the springs at one of the hinges from the steel hook that attaches to the chain at the lower end to the top of the coil spring loop at the upper end.
Measuring the garage door extension springs first measure the length of the spring.
Spring length how long each spring is 4.
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.
Finally measure the spring length when it is.
Insert the end of the tape measure between two coils count to 10 coils and pull the measure to the point between the 10th and 11th coils.
First make sure the coils are compressed as gaps can deliver an inaccurate measurement.
Note the measurement of the one piece.
Measure the spring length.
Spring length how long each spring is 4.
About 90 of garage doors in america have a 2 inch inside diameter but because of that 10 that do not you do need to double check.
In order to order new springs you will need to measure as accurately as possible your current spring s and find the.
You also need to know the size of the wire itself.
Spring orientation only worry about this if you have a 1 s.
While this might seem difficult to comprehend measuring the wire size is actually as easy as running a tape measure along the distance between 10 and 20 coils.
You don t need to take the spring off to take this measurement.