Garage Door Extension Spring Replacement Size

Measure the height of the garage door.

Garage door extension spring replacement size.

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. If your garage door is taller than 7 ft please call our helpdesk at 1 800 731 0261 for assistance. Plug end extension spring the holmes hally p730 30 in. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.

Measure 10 coils to the nearest 1 16. Two p730 springs one on each side of the door can handle a 90 lbs. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. How to weight your garage door.

Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. Sometimes this number is written on the winding or stationary cone. Left wind springs are located on the right hand side of the door and right wind springs are located on the left side. Door with an initial tension of 110 lbs.

The holmes hally p730 30 in. This is the wire size. Change the fraction into a decimal and divide by 10. This means for a 7 foot high door 84 inches the spring stretch would be 42 inches.

Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. In most cases the stretch of the extension spring should be half of the door height. If you see a 1 75 on the cone the spring has a 13 4 inch diameter.