It is okay to round if you are very close.
How measure coil spring length garage door.
Measure from the first coil on one end of the spring to the last coil on the other end of the spring.
The only way to measure this accurately is to measure 10 20 30 and 40 coils and find a match on this chart.
It is okay to round if you are very close.
Install the two by four vertically at the.
This determines the strength of the spring.
If your spring is broken measure both pieces of the spring in their entirety.
Measure the distance from the garage floor to the underside of the door at the outer edge and add 2 inches.
Wire size is the most important measurement.
If your torsion spring is unbroken and unwound simply measure the length of the spring.
You need to determine the length of the unwound spring but you don t need to unwind the spring to measure the length.
If you have 1 1 4 inches in a 10 coil count the wires are 0 125.
This determines the strength of the spring.
If your 10 coil count measures 2 1 2 inches you have 25 inch wires.
If the spring is deformed to the point that an accurate length cannot be determined count the total number of coils of the unwound spring.
If your spring is broken measure both pieces of the spring in their entirety.
For other measurements talk to a garage door repair professional or find a 10 coil measurement chart online.
Simply measure how far it is between 10 coils of the spring to the nearest 1 16 of an inch.
Step 1 spring length measure the entire length of the spring.
Wire size is the most important measurement.
Cut a two by four this length with a handsaw.
To order the correct springs for your garage door you ll need to know a few details about your door system.
The only way to measure this accurately is to measure 10 20 30 and 40 coils and find a match on this chart.
There are a number of wire size charts on the internet you can then use to determine the actual wire size based on your measurement.
This measurement is to include all coils of the spring.
If the spring is deformed to the point that an accurate length cannot be determined count the total number of coils of the unwound spring.
Step 1 spring length measure the entire length of the spring.
