Lube Garage Door Springs or Replace Them Sooner Rather Than Later - Coat the overhead torsion springs mounted above roller tracks with a garage door lubricant. All springs will eventually break because of metal fatigue and/or corrosion, but lubing them at least once a year will make them last longer. Spraying can be messy
Overhead garage doors, whether they roll up in sections or swing up in one piece, operate on spring tension. The door moves on metal tracks on the garage walls, and a heavy spring or springs provide the power.
Advanced Garage Overhead Door Repairs: Stretch out the springs for the overhead garage door. Read more: http://www.familyhandyman.com/doors/garage-door-repair/advanced-garage-overhead-door-repairs/view-all