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The lifespan of garage door can vary depending on several factors such as the quality of the door, how well it is maintained, and how frequently it is used. In general, a well-maintained garage door can last between 15 to 30 years, depending on the material of the door. For example, steel doors tend to last longer than wooden doors, which can be more susceptible to damage from moisture and pests. Regular maintenance such as lubricating the moving parts, checking the springs, and keeping the tracks clean can help extend the lifespan of your garage door. Additionally, it's important to address any issues with your garage door promptly, such as worn-out or damaged parts, to prevent further damage and ensure the door is working correctly.