Durability ·4 min read
How Long Does a Metal Roof Last? Aluminum vs. Steel vs. Asphalt
A quality aluminum roof can last 50 to 75 years or more, steel and Galvalume roofs last 40 to 70 years, and asphalt shingles last only 15 to 30 years. Lifespan is driven by corrosion resistance, coating quality, fastener design, and installation. Because aluminum cannot rust and Interlock pairs it with a fade-resistant Alunar coating and concealed-fastener interlocking design, an Interlock aluminum roof is engineered for a 50 to 75 year service life.
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