They are two types of spring when we do garage door spring repair. The torsion springs are screwed along a bar and if you look from inside the garage you will find them just above the garage door. The mechanism of the extension springs moves along a track and on both sides. Most garage doors have two springs and when one break the second one will also do so. They have the same manufacturing time and they have been working from the beginning in the same way.
Repairing the second dock at the same time will prevent you from paying a service charge. And also the inconvenience of the door getting damaged again not long after. This depends on the use that has been given to the springs. The right garage door extension spring replacement size could also be important from a mechanical and safety perspective.
The garage door extension springs that correspond to your door must match the size and weight of the door. Each garage door needs the size of the dock that corresponds to it to be able to fit. You can see if the size of the dock is correct with a simple balance test. And only once the correct spring has been used will such control be executed. Tip: It can be known if the indicated spring has been used just by applying a simple balance test.