The answer to 'how long does metal roof last' is that a properly installed metal roof can last 40-70 years or more. Metal roofs are highly durable and weather-resistant, making them one of the longest-lasting roofing materials available. They are resistant to fire, insects, rot, and other common roofing issues that can affect other materials like asphalt shingles or wood shakes.
With minimal maintenance, a metal roof can provide reliable protection for your home for several decades. Metal roofs are also energy-efficient, reflecting heat to help reduce cooling costs. While the initial investment is higher than some other roofing options, the long lifespan and low maintenance requirements make metal roofs a smart long-term choice for many homeowners.