How Long Does a Metal Garage Last? Lifespan, Warranty & Maintenance

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A metal garage built with 14-gauge galvanized steel framing, properly anchored, correctly installed on a level foundation, and given basic annual maintenance will last 40 to 60 years. A building with lighter gauge steel, improper anchoring, or zero maintenance can show structural problems in 15 to 20 years. The steel itself doesn't fail — what fails is everything around the decisions that were made before the first panel went up.How Long Different Metal Buildings Actually LastNot all metal ga...

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