Other problems frequently ensue when a single spring is used on a double car garage door.
Weigh garage door with one spring and double weight.
My garage door spring broke it has one spring should i upgrade to a two spring system 5 100 1 vote many builders install one spring on garage door when they install the door.
If both springs were broken or if your only spring was broken shake the door to make sure it is free in the tracks and read the weight of the door.
If your door is 210 pounds you would need a pair on for each side of the 210 pound white springs.
This because one spring is still lifting half the door s weight check out our video on how to weigh your garage door on our videos page.
Garage door weight is determined by size material steel gauge thickness insulation and glass.
Remember that if you have two springs on your torsion system and only one is broken to double the weight shown on the scale.
If the spring breaks near the stationary cone a large portion of the spring spins loose with the winding cone secured to the shaft.
In most cases on double door 16 feet wide and larger we recommend replacing with a two spring system.
Many manufacturers have cut costs by using a single spring on a double wide 16 steel garage door.
Door weight is important when trying to figure out what torsion or extension springs are needed to counterbalance the door.
One spring systems utilize a larger spring that puts added stress on the other garage door system components.
If you have a heavier door that weighs more than 150 pounds with one spring still wound you will need to use 2 scales and position them under the first row of hinges from each end of the garage door.
Garage door spring weight chart posted on september 21 2019 by bandi ruma garage door torsion spring replacement our torsion springs vs the peion estimate door weight counterweight jpg upgrade from two to four torsion spring standard garage door torsion springs.
The average modern steel single car door weighs around 125 pounds while double car doors weigh about 200 pounds.