The pull weight of an extension spring is determined by the color code found on the end of the spring.
What size extension spring for garage door.
For a complete list of garage door extension springs for 7 8 9 10 11 12 13 and 14 tall doors click here determine the door weight and door height.
3 springs are only sold in pairs.
American garage door supply strives to make your purchasing process simple and worry free.
This door would use two 210 pound lift extension springs.
In this post you ll find a garage door spring chart for torsion springs and extension springs.
A functional garage door system lifts the door in a balanced manner.
Dasma stands for the door access systems manufacturers association.
For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.
Please feel free to give us a quick call if you run into problems choosing the right garage door extension springs.
A failing unbalanced or poorly matched spring.
We would be glad to help.
Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.
The springs have a safety cable inside to prevent injury in case of accidental breakage.
Selecting the right extension spring while measuring torsion springs to make sure you get the right one is fairly easy getting the right extension spring is even easier.
Torsion springs vs extension springs.
This means for a 7 foot high door 84 inches the spring stretch would be 42 inches.
How to determine the correct extension spring for your garage door measure garage door springs correct garage door springs garage door parts garage door spring overhead door spring overhead door part 734 568 0287 mon fri 8am 4pm est my account.
Measure door the height.
They stretch to provide lifting power for the garage door.
The overbuilt 160 lbs.
Color coding is the consistent measure for extension springs a 150lb red spring for a 7 door could have been manufactured in several different sizes if you are not sure what color your old spring was use a bathroom scale to weigh the door while it is unsprung and disconnected from your door opener.
Finding the right size springs is a crucial part of repairing your garage door and ensuring it lasts for years to come.
Extension springs 2 pack are the overbuilt 160 lbs.
0 items 0 00.
We make purchasing extension springs easy.
An unbalanced door is a sign of.
Torsion springs and garage door weight.
Or if the door has four extension springs the door would use two 100 pound lift springs and two 110 pound lift springs.
In most cases the stretch of the extension spring should be half of the door height.
That s because garage door extension springs have a stripe of color on them that indicates their size.