08/21/2026
If your garage door has a working automatic opener, you probably don't need a manual lock on it. The opener's trolley already holds the door down, and a latch somebody forgets to retract can bend panels and strip the opener's drive gear. Doors you open by hand are a different story. Here's how to tell which one you've got.
A garage door lock does nothing for a door with a working opener, and can wreck it. Here's when a lock helps and what really secures your garage.