Extension Springs

Garage Door Extension Springs
Garage Door Extension Springs

Extension springs stretch along the horizontal tracks to counterbalance the garage door. They are rated by counterbalance weight with a unique color code.

  • Extension springs for 7ft tall doors are 25″ relaxed and stretch 42″
  • Extension springs for 8ft tall doors are 30″ relaxed and stretch 48″

Our extension springs are high cycle (25,000 cycle) springs made int he U.S.A. for longer lifespan.

Extension springs from 40lbs to 180 lbs are double looped ends. All springs 200 lb and over are clip ended for added strength.

Although extension springs have color codes always weigh your door with a scale for safety and accuracy. Extension springs are always sold in pairs.