Hendershot Door Systems

Some of the smallest and lightest steel garage doors weigh in at about 100 pounds. Many are heavier, depending on the size, type of material used, different types of glass, etc. In order to make it operable by hand, or by a remote garage opener, it needs a counter balance system. That’s the job of your garage door’s spring. The spring provides the force necessary to make such a heavy object functional. There are two types commonly used in residential settings: torsion and extension.

Torsion Spring Garage Doors
Torsion springs are usually installed on larger or heavier garage doors. Most models wide enough for two cars will commonly have this type. They’re found on the wall above the opening of the garage door, and look like a long metal coil. Most people barely notice them until one breaks, and everything becomes too heavy to lift. When it has broken, you’ll see the separation in the coiled spring. You’ll need a professional for this kind of repair. The counter balance system is under extreme tension, and for that reason, homeowners should never attempt to adjust or repair any of it’s components. Additionally, forcing the opener to pull too much weight can damage the opener, and the top panel where it’s attached.

Extension Spring Garage Doors
Extension springs are usually found on garage doors that are wide enough for only one car. These can be found nearly parallel to the tracks near the ceiling, one on each side. Many times, the extension type will relax to the point that they need replacement, instead of actually breaking. When this happens you can usually see repeated gaps in the coils, and you may consider having them serviced or replaced.

Extension systems, while more inexpensive to install and maintain than torsion, are not suitable for installation on models wide enough for two cars due to the lack of balance. Torsion systems use the shaft, along with the drums and cables, to provide equal amounts of lift on each side. Extension springs are independent of each other, and require proper tension to ensure level operation. One advantage of having extension, is the ease of replacement. Local hardware stores typically carry them, and a do it yourself job is possible for those who are mechanically inclined. Don’t forget to use caution, as the extension counter balance system is also under extreme pressure, and can cause injury or death.

Keep the garage doors working properly and safe by checking and maintaining them on a regular basis. Keep your garage doors well-oiled and clean, and above all well-balanced. Have them serviced regularly (once a year is appropriate): it won’t take long or cost much, and easily justifies itself through your increased peace of mind.