What Size Extension Spring For Garage Door

A functional garage door system lifts the door in a balanced manner.

What size extension spring for garage door.

Or if the door has four extension springs the door would use two 100 pound lift springs and two 110 pound lift springs. Dasma stands for the door access systems manufacturers association. That s because garage door extension springs have a stripe of color on them that indicates their size. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.

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. Torsion springs and garage door weight. Please feel free to give us a quick call if you run into problems choosing the right garage door extension springs. This door would use two 210 pound lift extension springs.

In most cases the stretch of the extension spring should be half of the door height. 0 items 0 00. Torsion springs vs extension springs. Torsion springs need to provide enough force to equal the weight of the door.

This means for a 7 foot high door 84 inches the spring stretch would be 42 inches. In this post you ll find a garage door spring chart for torsion springs and extension springs. Finding the right size springs is a crucial part of repairing your garage door and ensuring it lasts for years to come. 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.

American garage door supply strives to make your purchasing process simple and worry free. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. We make purchasing extension springs easy. The springs have a safety cable inside to prevent injury in case of accidental breakage.

A failing unbalanced or poorly matched spring. Extension springs 2 pack are made of spring steel and designed to be mounted perpendicular above the horizontal track of the garage door. A more accurate method for weighing either a torsion spring door or an extension spring door is on our youtube channel. 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.

The overbuilt 160 lbs. We would be glad to help. They stretch to provide lifting power for the garage door. Measure door the height.

An unbalanced door is a sign of. 3 springs are only sold in pairs.