The more torque that you have on your spring, the more weight it will support. Torsion springs are a lot easier to adjust than extension springs. Extension springs usually last longer than torsion springs. There is usually a label or mark on the garage door that tells you when your spring needs to be replaced. Each of these types of springs has their own gauge for replacement and has other signs that it may need to be replaced too.
The more you know about garage door springs, the better and easier it will be to maintain your entire house. You want to keep your garage door open and running smoothly. Garage Door Springs should be replaced when they become weak or lose their tension. These basics will help you understand how they work and how they help with the lifting of a heavy garage door.