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.
What size extension spring for garage door.
Torsion springs vs extension springs.
A functional garage door system lifts the door in a balanced manner.
This door would use two 210 pound lift extension springs.
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.
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.
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.
For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.
Extension springs 2 pack are made of spring steel and designed to be mounted perpendicular above the horizontal track of the garage door.
Please feel free to give us a quick call if you run into problems choosing the right garage door extension springs.
We make purchasing extension springs easy.
In this post you ll find a garage door spring chart for torsion springs and extension springs.
Torsion springs and garage door weight.
Torsion springs need to provide enough force to equal the weight of the door.
American garage door supply strives to make your purchasing process simple and worry free.
A failing unbalanced or poorly matched spring.
3 springs are only sold in pairs.
The pull weight of an extension spring is determined by the color code found on the end of the spring.
Finding the right size springs is a crucial part of repairing your garage door and ensuring it lasts for years to come.
Or if the door has four extension springs the door would use two 100 pound lift springs and two 110 pound lift springs.
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They stretch to provide lifting power for the garage door.
This means for a 7 foot high door 84 inches the spring stretch would be 42 inches.
Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.
A more accurate method for weighing either a torsion spring door or an extension spring door is on our youtube channel.
The springs have a safety cable inside to prevent injury in case of accidental breakage.
An unbalanced door is a sign of.
Measure door the height.
Extension springs 2 pack are the overbuilt 160 lbs.