1. Track-and-rollers Most homes use overhead doors for the garage entry. Those that use a track-and-roller system are the most commonly installed doors today. 2. How springs work Overhead doors are ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...

The torsion spring, not the operator (or motor), does the heavy lifting. Aesthetics aside, the big changes in today's 300-pound steel doors are in insulation. Tighter perimeter seals and sandwiched ...