Just orders springs that are close to the length of the old springs preferably slightly smaller.
Wood garage door spring size.
To order the correct springs for your garage door you ll need to know a few details about your door system.
By donald r a.
The length of the spring i critical since the old spring will have stretched some with age.
Understand how garage door weight vs spring size relate so you can purchase the right spring for your door.
The weight listed for each spring is for a pair of springs 1 spring rated for 150lbs will only lift 75lbs 7 doors require a 25 long spring that stretches up to 42 67 total length when the door is closed 8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed.
1 75 means the inside diameter is 1 inches.
Compensate by adjusting the lengths of the cables during installation.
For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.
The garage door is likely the largest moving part of your home.
Spring length how long each spring is 4.
Torsion spring inside diameter and overall length in many cases the inside diameter of the torsion spring will be indicated on the stationary cone in between the two springs at the midpoint of the door.
Four p528 springs two on each of the door can handle a 200 lbs.
The door itself can be extremely heavy the starting weight of single doors is about 130 pounds and larger or heavier.
2 means the inside diameter is two inches etc.
More product details close.
Why does the size of the garage door spring matter.
The spring will grow 7 5 coils or 7 5 x 250 for the coil size or 1 7 8.
Once you know the total weight of your garage door using a bathroom scale for doors under 300 pounds you can use the chart below to see the color extension spring you need.
Garage door spring size.
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.
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.
Inside diameter 90 of doors have a 2 0 inside diameter 3.
Measure 10 coils to the nearest 1 16.
A spring rated at 50 s is more than enough to handle a 42 door.
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.