The torsion springs that came with your garage door installation are going to wear out sooner or later. Two spring types are available: Oil tempered and zinc galvanized torsion springs. Most homeowners don’t give a second thought about the type of spring being used during a replacement. You should know, though, that you do have a choice.
Oil Tempered Torsion Spring
This is the more common of the two and has been around since the advent of the garage door. The spring is made from carbon steel that undergoes multiple heating and cooling phases using hot oil. This strengthens the spring so it can handle the constant stress applied when the garage door opens and closes. While durable, oil tempered springs are susceptible to rust. They can also leave traces of oil residue on the door and adjacent parts. Continue Reading →