WD-40 is a degreaser, which could remove remove lubricant and dry out the garage door springs. This can cause unnecessary friction in the springs and lead to early failure. While WD-40 has many valuable applications, it is not recommended to use it on your garage door's springs.
The roll-up style of garage door may be most common and the most popular. In this style of garage door, a series of panels roll up and down along a track. Roll up garage doors can mimic historic styles yet offer the convenience of a modern garage door.