3 springs are only sold in pairs.
What size extension spring do i need for my garage door.
If your door is 210 pounds you would need a pair on for each side of the 210 pound white springs.
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.
Raise your garage door to the full open position.
That s because garage door extension springs have a stripe of color on them that indicates their size.
The pull weight of an extension spring is determined by the color code found on the end of the spring.
Starting with our easy to use selection tools you can easily find the garage door extension springs you are looking for.
When using two scales add the weights together for the total door weight.
Torsion springs need to provide enough force to equal the weight of the door.
When replacing garage door springs we always weigh the garage door and figure the ippt to ensure we.
Please feel free to give us a quick call if you run into problems choosing the right garage door extension springs.
Torsion springs and garage door weight.
This is why two 100 pound extension springs are needed to lift a 100 pound garage door.
Height of the garage door can also affect the size of the spring or spring combination needed as well.
Carefully remove the extension springs from the.
When you are preparing to buy a garage door spring you need to also take into consideration the overall cost of buying or replacing your 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.
Torsion springs vs extension springs.
Always use the proper spring s for.
Whatever the case garage door springs are an essential component of the garage door system and are independent of the automatic garage door unique opener.
How to weight your garage door.
Secure the door in the up position by using vice grips or c clamps under both bottom rollers of the garage door.
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.
If your garage door is taller than 7 ft please call our helpdesk at 1 800 731 0261 for assistance.
For a 7 foot tall garage door you should put 29 quarter turns on each spring.
Measure door the height.
A functional garage door system lifts the door in a balanced manner.
We would be glad to help.
A failing unbalanced or poorly matched 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.