How Far To Stretch Garage Door Extension Springs

If your garage door has extension springs the springs stretch out as the door closes and retract as the door opens the garage door industry has released a standard color chart for the strength pull for these springs as seen in the table below.

How far to stretch garage door extension springs.

Introduction to sectional garage door extension springs. Extension springs are manufactured specifically for the height of a garage door. If the extension springs are not the same length open the garage door and change the location of one of the s hooks so that when you close the door both springs are the same length. Many of these doors are counterbalanced with extension springs also designated stretch springs and they have seven characteristics.

3 springs are only sold in pairs. The length is the measurement of all the coils pressed together. Check out my other. Be sure the door is open and supported when doing this.

Let s say you re looking at a seven foot extension spring 25 x 42. Hook the spring onto a lower hole and test the door. Home owners can replace an extension springs safely by following these steps. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time.

However my springs are stretched roughly 55 60 inches and stretch just as far as the springs on my other garage door do. If both springs are the same length the garage door should be level across the floor. If your garage door is hard to open you most likely need to reduce the tension. 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.

I 39 m trying to get this garage door opener working for my landlord and i tried maxing out the motor force and it still would just start to close stop and return to the open position. Many of the older extension springs may not have visible paint color on either end of the spring. Sectional garage doors are hinged and they bend in the tracks as the door opens and closes. Hook the spring one more hole lower or higher until the door is closing properly.

It 39 s an older style system with essentially a one piece door where the bottom swings out. You will need the following tools for this work. Measure door the height. The pull weight of an extension spring is determined by the color code found on the end of the spring.

Complete instruction to repair a broken garage door spring. Do i need to release the door cables so that the tension on the springs. How to adjust extension springs.