The U.S. Consumer Product Safety Commission says that about 30,000 injuries linked to garage doors are now reported every year in the United States. Many of these injuries have involved bruised or broken extremities. However, some have included serious shoulder, back, and head injuries leading to permanent disability or even death. What is the cause of these garage door injuries? One leading cause has been homeowners trying to repair or replace their own garage door springs. https://www.youtube.com/v/Z_eZc-kh40c?version=3
• Extension springs: Garage door extension springs stretch to provide lifting power for the door. These springs are typically made of steel and mounted above the horizontal track of the garage door. A safety cable should run through your extension springs to prevent possible injuries or property damage. Extension springs are the most common type of garage door spring for residential use and can break after excessive usage.