How Many Springs Should A 16 Ft Garage Door Have

Samwise the brave has a sectional garage door and its torsion spring is a 15 000 cycle spring.

How many springs should a 16 ft garage door have.

Based on the facts if we divide 15 000 by 3 we get samwise garage door spring s life expectancy which is 5 000 days or 13 years and 7 months. This means for a 7 foot high door 84 inches the spring stretch would be 42 inches. Garage door in many cases will dictate how many springs are needed for your garage door if the garage door is a single car door either 8 7 or 8 8 made of aluminum or other lightweight material then it will. All i know is that it is a 16 x 7 ft 4 panel door weighing approximately 195 lbs and has 4 cable drums.

The house is a new build and the garage door gets a ton of use. Although extension springs have frequently been chosen by home builders for their low cost torsion springs are gaining popularity. Torsion springs are incredibly popular for garage doors. I have a larger garage door but it is lightweight metal with no windows so it s not too heavy.

Replacing with a one spring setup was going to cost us 160. Require only one spring. On average samwise takes his little pony for a ride in the shire 3 times per day. The original one spring setup lasted us 5 years and then snapped.

If you have very large heavy door then two or more springs will be required some very heavy wood doors may require 3 or even 4 springs to provide enough lifting strength to. In most cases the stretch of the extension spring should be half of the door height. Counter balance the weight of the garage door. How do i determine torsion spring size for new garage door assuming that i do not have the original torsion spring for information like spring length inside diameters wire size or part numbers.

Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch. Going with two springs cost us 190.