Let s say you re looking at a seven foot extension spring 25 x 42.
How far to stretch garage door extension springs.
Measure door the height.
Many of these doors are counterbalanced with extension springs also designated stretch springs and they have seven characteristics.
Hook the spring one more hole lower or higher until the door is closing properly.
Introduction to sectional garage door extension springs.
If your garage door is hard to open you most likely need to reduce the tension.
Hook the spring onto a lower hole and test the door.
Many of the older extension springs may not have visible paint color on either end of the spring.
However my springs are stretched roughly 55 60 inches and stretch just as far as the springs on my other garage door do.
The length is the measurement of all the coils pressed together.
Be sure the door is open and supported when doing this.
Check out my other.
Home owners can replace an extension springs safely by following these steps.
Complete instruction to repair a broken garage door spring.
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.
Sectional garage doors are hinged and they bend in the tracks as the door opens and closes.
It 39 s an older style system with essentially a one piece door where the bottom swings out.
Do i need to release the door cables so that the tension on the springs.
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.
Extension springs are manufactured specifically for the height of a garage door.
Garage door extension springs run along the door s horizontal track and help to open and close your garage door as the springs stress and compress.
Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time.
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.
3 springs are only sold in pairs.
What could i use to stretch a side mounted garage door spring.
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 both springs are the same length the garage door should be level across the floor.
The pull weight of an extension spring is determined by the color code found on the end of the spring.
