You also need to know the size of the wire itself.
Measure wound garage door spring.
Measure the overall length of your garage door spring unwound.
Plug end extension spring is a p528 28 in.
Plug end extension spring is a holmes spring replacement for heavier 1 piece tilt up canopy style garage doors.
Spring orientation if ordering just one spring left wound or right wound.
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.
Measure the spring only from coil to coil.
To measure the wire size measure the length of 10 coils of the spring.
Inside diameter 90 of doors have a 2 0 inside diameter 3.
The spring will grow 7 5 coils or 7 5 x 250 for the coil size or 1 7 8.
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.
Take all your measurements from the broken spring.
Spring length how long each spring is 4.
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.
Two p528 springs one on each side of the door can handle a 105 lbs.
Springs are usually stretched an extra 1 8 so the total addition to the spring length is eight coils or two inches.
Click this link to go to our garage door torsion springs ad.
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.
In order to order new springs you will need to measure as accurately as possible your current spring s and find the.
Generally when looking from within the garage if the spring is on the left side it is right wound and vice versa.
What can we say it can appear a bit complicated.
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.
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.
If your 10 coil count measures 2 1 2 inches you have 25 inch wires.
Door with an initial tension of 165 lbs.