Measure the overall length of your garage door spring unwound.
Measure wound garage door spring.
Plug end extension spring is a p528 28 in.
If your 10 coil count measures 2 1 2 inches you have 25 inch wires.
Generally when looking from within the garage if the spring is on the left side it is right wound and vice versa.
Two p528 springs one on each side of the door can handle a 105 lbs.
They call it a right spring but when you are looking at the door from the inside it goes on the left side and vice versa.
What can we say it can appear a bit complicated.
Inside diameter 90 of doors have a 2 0 inside diameter 3.
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.
For other measurements talk to a garage door repair professional or find a 10 coil measurement chart online.
Springs are usually stretched an extra 1 8 so the total addition to the spring length is eight coils or two inches.
Here s how to tell if your garage door torsion spring is a left wound spring or a right wound spring as seen from the back of the door.
You also need to know the size of the wire itself.
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.
In order to order new springs you will need to measure as accurately as possible your current spring s and find the.
Door with an initial tension of 165 lbs.
A spring mounted on the right side of center is left hand wound black end doors that have two springs have both right hand and left hand wound.
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.
Garage door torsion springs for any wire size or length up to 39 these high quality garage door torsion springs include cones installed on the springs and are sleek oil tempered and coated black for a strong smoother operation.
Spring length how long each spring is 4.
If you have 1 1 4 inches in a 10 coil count the wires are 0 125.
Take all your measurements from the broken spring.
Spring orientation if ordering just one spring left wound or right wound.
Plug end extension spring is a holmes spring replacement for heavier 1 piece tilt up canopy style garage doors.
The spring will grow 7 5 coils or 7 5 x 250 for the coil size or 1 7 8.