Light blue 100 lb.
Garage door extension spring stretcher.
Green 130 lb.
Save some money by replacing garage side extension spring on an old one piece garage door by yourself.
It has a 25 inch relaxed or compressed length and a 42 inch stretched length which is how far the spring should be stretched when the garage door is closed.
These springs are typically made of steel and mounted above the horizontal track of the garage door.
A c hook is required for a single spring installation while a w hook is required for a double spring installation available separately.
8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions.
Yellow disconnect the springs and opener and use a scale to weigh the door if unsure of the weight of the door.
For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.
Blue see more product details.
As you might expect longer springs tend to be used on taller garage doors.
White 120 lb.
Measure door the height.
Tan 110 lb.
Gold 90 lb.
Fasten c clamps or vice grips under bottom rollers to retain door.
Gold 90 lb.
Clip end extension spring is a holmes spring replacement for heavier 1 piece garage doors as well as for toy haulers using lift springs.
Garage door extension springs stretch to provide lifting power for the door.
The pull weight of an extension spring is determined by the color code found on the end of the spring.
We recommend replacing all springs at the same time for balanced door lift and even wear.
Springs that work for a standard height door won t work for an extra tall door because the springs will need to extend farther.
Garage springs are under an extreme amount of tension and either stretch or torque providing enough force to help you move the door.
We recommend that you replace both springs that is why we only sell in pairs.
Garage door extension springs for 7 high doors extension springs stretch springs for 7 high garage doors 80 lb.
Extension springs stretch springs for 7 high garage doors 80 lb.
If you cannot determine the color code it will be necessary to weigh the door.
Height of the door extension springs vary in length.
To weigh your door.
Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.
There are several types of garage door springs to consider when replacing them.
Measurements you ll want to note include.
This extension spring is used on a seven foot garage door.
Disconnect power and lifting arm of garage door opener.
Take the measurements to a garage door professional and they ll help you find the right spring.
Light blue 100 lb.
Green 130 lb.
Yellow 140 lb.
3 springs are only sold in pairs.
Tan 110 lb.
The c128 28 in.
