Garage Door Extension Spring Stretches More Than The Other

For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.

Garage door extension spring stretches more than the other.

Remove c clamps or vice grips and lower door by hand. The type of garage door spring you just replaced is called an extension spring. The springs have a safety cable inside to prevent injury in case of accidental breakage. Your door opens unevenly.

Extension springs the other kind of garage door springs are torsion springs run alongside the upper garage door tracks the ones that run parallel to the ceiling and stretch or extend out and back to help lift the garage door. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch. The overbuilt 90 lbs. The moment you notice anything suspicious in the way your door is opening you need to call for assistance before someone gets hurt.

Extension springs the type that stretch and are on each side of the garage door can be another story. Ideal for single car garage doors. Fasten c clamps or vice grips under bottom rollers to retain door. Extension springs stretch and contract as the door operates to counterbalance the weight of the door.

Step by step replacement of extension springs must be done with caution. These springs are typically made of steel and mounted above the horizontal track of the garage door. When one extension spring breaks you and a friend may be able to get the door open as you still have the support of another spring. With tension completely off extension springs disconnect springs from track support.

Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. Commercial doors however as well as some residential doors often have multiple springs installed on each side. Extension springs 2 pack are made of spring steel and designed to be mounted perpendicular above the horizontal track of the garage door. 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.

If your door has two extension springs and one side is opening faster than the other it probably means one spring has already failed and the other is likely to follow suit in relatively short order. Again it s best to exercise caution and not do this more than you have to. 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. Note that entire weight of door which could exceed several hundred pounds has to be lowered slowly by hand so more than one person is needed.

The rating of the safe stretch of any garage door spring will be a function of the material from which it was made. Disconnect power and lifting arm of garage door opener. Most residential garage doors only have two extension springs one on each side of the door.