When using two scales add the weights together for the total door weight.
What size extension spring do i need for my 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.
Torsion springs need to provide enough force to equal the weight of the door.
If your garage door is taller than 7 ft please call our helpdesk at 1 800 731 0261 for assistance.
The pull weight of an extension spring is determined by the color code found on the end of the spring.
We would be glad to help.
An unbalanced door is a sign of.
That s because garage door extension springs have a stripe of color on them that indicates their size.
If your door is 210 pounds you would need a pair on for each side of the 210 pound white springs.
Please feel free to give us a quick call if you run into problems choosing the right garage door extension springs.
Secure the door in the up position by using vice grips or c clamps under both bottom rollers of the garage door.
A functional garage door system lifts the door in a balanced manner.
Starting with our easy to use selection tools you can easily find the garage door extension springs you are looking for.
For a 7 foot tall garage door you should put 29 quarter turns on each spring.
Measure door the height.
Torsion springs and garage door weight.
How to weight your garage door.
This will tell them what they need to know.
Raise your garage door to the full open position.
When replacing garage door springs we always weigh the garage door and figure the ippt to ensure we.
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.
3 springs are only sold in pairs.
Height of the garage door can also affect the size of the spring or spring combination needed as well.
Torsion springs vs extension springs.
Total door weight indicates the springs you will need for example if the door weighs 100 pounds you need two 100 pound springs one on each side.
However the pulleys on the garage door reduce the amount of weight carried by the extension spring so the extension spring really only has to lift half of its weight in this case 50 pounds.
So all you need to do is locate this color indicator and relay the color you ve found red yellow blue orange etc to the extension spring supplier.
This is why two 100 pound extension springs are needed to lift a 100 pound garage door.
A failing unbalanced or poorly matched spring.
Always use the proper spring s for.