Safety: Garage doors are heavy and spring/cable systems can be under significant tension. Do not loosen or disassemble high-tension hardware unless you are qualified to do so.
Cosmetic vs. Structural Damage
Small dents may mainly affect appearance, while creased or badly bent sections can interfere with hinges, rollers, seals, and door movement.
Can One Panel Be Replaced?
On some doors, a matching section may be replaceable. On others, age, discontinued styles, or broader damage can make full-door replacement more practical.
Inspect the Hardware Too
An impact that damages a panel can also affect tracks, rollers, hinges, or alignment.