Garage Door Extension Spring Replacement Size

This means for a 7 foot high door 84 inches the spring stretch would be 42 inches.

Garage door extension spring replacement size.

Plug end extension spring the holmes hally p730 30 in. How to weight your garage door. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. 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. This is the wire size. Left wind springs are located on the right hand side of the door and right wind springs are located on the left side. Two p730 springs one on each side of the door can handle a 90 lbs.

If your garage door is taller than 7 ft please call our helpdesk at 1 800 731 0261 for assistance. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. Door with an initial tension of 110 lbs. Measure the diameter of 1 16 of an inch.

Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch. Measure the height of the garage door. In most cases the stretch of the extension spring should be half of the door height. Change the fraction into a decimal and divide by 10.

If you see a 1 75 on the cone the spring has a 13 4 inch diameter. Measure 10 coils to the nearest 1 16. Sometimes this number is written on the winding or stationary cone.