## How do you know what size garage door spring you need?

Almost 90% of garage doors in America have a 2-inch inside diameter, but you still need to double-check the inside diameter because not all garage doors do. Simply measure the interior diameter of the spring with a tape measure. You don’t need to take the spring off to take this measurement.

## How do I know what torsion spring for my garage door?

Look at the end of the spring to determine the wind direction. If the end of the spring points in the clockwise direction it is left-wound and if the end of the spring points in the counter-clockwise direction, it is right-wound.

How many quarter turns for a 7ft garage door spring?

If your door is 7ft high then we recommend starting off at 31 Quarter turns on each springs.

### Can I use a different size torsion spring?

When you add everything up, you have the exact weight once done; you can then use two different size springs if it yields optimal balance. If you are a homeowner and the technician used two different size springs, don’t be alarmed. What matters is that the garage door is balanced.

### How many turns on a 16ft garage door spring?

A rule of thumb with springs is that four quarter turns equals a full revolution and the spring needs to be tightened a full revolution for every foot of door height (e.g. 7-1/2 foot door = 7 revolutions +2 (30 quarter turns).

How many turns on a garage door spring chart?

Garage Door Torsion Spring Winding Chart

Door Height Quarter Turns Full Turns
6’6″ 28 7
7′ 31 7 3/4
7’6″ 32 8
8′ 35 8 3/4

#### Can I use a shorter garage door spring?

When torsion springs are sized incorrectly, they can lead to safety issues. The garage door will not work as it should, and that could lead it to malfunction and potentially endanger users.

#### Can garage door springs be too strong?

If the spring is too strong or too large, it will exert too much pull on the door and keep it higher than it should be. For instance, a closed door won’t be able to stay on the floor, while a door that’s supposed to be opened halfway will be higher up.