Standard Extension Spring Garage Door

Plug end extension spring the holmes hally p730 30 in.

Standard extension spring garage door.

Extension springs run parallel to the tracks of the door and are typically situated between the tracks and the garage ceiling. Door with an initial tension of 110 lbs. Plug end extension spring is a p528 28 in. Door with an initial tension of 165 lbs.

Add 2 inches 50 mm if you plan to install an electric door opener. This spring system is installed over the two horizontal tracks. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. They provide additional lifting power for manual and electric garage doors.

Ideal security garage door extension springs are designed for standard 7 high garage doors. Two p528 springs one on each side of the door can handle a 105 lbs. Extension springs store energy by extending while the door is closing and then releasing the stored energy while the door is opening. Two p730 springs one on each side of the door can handle a 90 lbs.

The installation of safety cables is strongly recommended with this system. Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. It needs less headroom space 8 20 cm. The holmes hally p730 30 in.