Garage Door Extension Spring Replacement Size

Left wind springs are located on the right hand side of the door and right wind springs are located on the left side.

Garage door extension spring replacement size. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. 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. Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. The holmes hally p730 30 in.

Two p730 springs one on each side of the door can handle a 90 lbs. In most cases the stretch of the extension spring should be half of the door height. This means for a 7 foot high door 84 inches the spring stretch would be 42 inches. If you see a 1 75 on the cone the spring has a 13 4 inch diameter.

Sometimes this number is written on the winding or stationary cone. Plug end extension spring the holmes hally p730 30 in. Measure the height of the garage door. For a more accurate measurement start at the 1 mark on your ruler.

Door with an initial tension of 110 lbs. Knowing the spring s length can help you find the wire size on the chart above. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.

Change the fraction into a decimal and divide by 10. Measure 10 coils to the nearest 1 16. Measure the diameter of 1 16 of an inch.