Standard Extension Spring Garage Door

Plug end extension spring is a holmes spring replacement for heavier 1 piece tilt up canopy style garage doors.

Standard extension spring garage door.

Ideal security garage door extension springs are designed for standard 7 high garage doors. Our springs are original equipment quality made to last for many years. The holmes hally p730 30 in. Two p528 springs one on each side of the door can handle a 105 lbs.

Plug end extension spring is a p528 28 in. They provide additional lifting power for manual and electric garage doors. Extension springs store energy by extending while the door is closing and then releasing the stored energy while the door is opening. It needs less headroom space 8 20 cm.

Add 2 inches 50 mm if you plan to install an electric door opener. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. This spring system is installed over the two horizontal tracks. Door with an initial tension of 110 lbs.

Two p730 springs one on each side of the door can handle a 90 lbs. Plug end extension spring the holmes hally p730 30 in. Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. 8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions.