What Size Extension Spring For Garage Door

This door would use two 210 pound lift extension springs.

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. 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.

That s because garage door extension springs have a stripe of color on them that indicates their size. We make purchasing extension springs easy. 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.

Extension springs 2 pack are made of spring steel and designed to be mounted perpendicular above the horizontal track of the garage door. 3 springs are only sold in pairs. Please feel free to give us a quick call if you run into problems choosing the right garage door extension springs. An unbalanced door is a sign of.

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. American garage door supply strives to make your purchasing process simple and worry free. 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. The pull weight of an extension spring is determined by the color code found on the end of the spring.

In most cases the stretch of the extension spring should be half of the door height. Or if the door has four extension springs the door would use two 100 pound lift springs and two 110 pound lift springs. The overbuilt 160 lbs. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.

Dasma stands for the door access systems manufacturers association. We would be glad to help. Torsion springs need to provide enough force to equal the weight of the door. A failing unbalanced or poorly matched spring.

Torsion springs and garage door weight. 0 items 0 00. A more accurate method for weighing either a torsion spring door or an extension spring door is on our youtube channel. They stretch to provide lifting power for the garage door.

For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. The springs have a safety cable inside to prevent injury in case of accidental breakage.