How To Look Up Garage Door Spring Size

Contrary to what most believe you don t need to actually unwound the spring in order to measure the length of the spring.

How to look up garage door spring size.

Step 2 determine spring wind. Typically residential springs will have a 1 3 4 or 2 inside diameter. When the spring is too small the door is way too heavy. How to know the garage door spring to buy 1.

Check out the garage door springs from inside your garage. For a double door use two bath scales a foot in from each side of the opening. Opening and closing the door with springs that are too small can end up damaging your garage door and your opener. If you have a broken torsion spring read below to make the measurements you need and then purchase a new garage door spring or springs.

Torsion spring inside diameter and overall length in many cases the inside diameter of the torsion spring will be indicated on the stationary cone in between the two springs at the midpoint of the door. Standard residential torsion springs are found on a shaft above the center of the garage door. To get the measurement all you need to do is to measure from the first coil on one end to the last coil on the other end of the garage door spring including the coils that are in the cone. 1 75 means the inside diameter is 1 inches.

In the first example the spring is too small. For a 7 foot tall garage door you should put 29 quarter turns on each spring. When replacing garage door springs we always weigh the garage door and figure the ippt to ensure we. Height of the garage door can also affect the size of the spring or spring combination needed as well.

Determine the wind direction. Springs are too small. 2 means the inside diameter is two inches etc. Spring orientation if ordering just one spring left.

Springs are too big. Usually most garage doors. For your broken spring s measure the inside diameter of the spring. In the video below you see two cases of improper spring size.

Spring length how long each spring is 4. Measure the wire size. For a single car door place a bath scale in the center of the opening remove all spring tension from the door and lower the door onto the scale. In order to order new springs you will need to measure as accurately as possible your current spring s and find the.

Selecting the right garage door spring. Inside diameter 90 of doors have a 2 0 inside diameter 3.