Replacing garage door springs on your own can be dangerous and quite challenging. A lot of skill is required and you also have to know the type of springs that you have to purchase. For extension springs, you also have to know the length of the spring as well as the weight that is intended to hold because residential garage doors are, usually, heavy and very tall. A seven-foot door will require a 25-inch spring, whereas an eight-foot door will need a 27-inch spring.
If the spring is broken, the garage door can still open manually, but you risk burning the motor because the door becomes heavier. Therefore, replacing the spring is a must.
The average lifespan of a garage door spring is less than five years. A garage door spring replacement Denver area can take fifty minutes to two hours. It depends on the size of the door. Moreover, if it is an old door with several failing or malfunctioning parts, it can take up to three hours. On the other hand, a simple spring tune-up should only take twenty minutes.
To conclude, broken springs have to be replaced immediately. However, it is not an easy process, so make sure you always resort to professional help.