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