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