What is the Life Expectancy of a Commercial Roof? When considering the lifespan of commercial roof systems, the answer isn’t as simple as it might seem. Numerous factors influence how long a roof will last, from the materials used to the quality of installation and ongoing maintenance. To help you better understand what affects a roof’s longevity, we’ve compiled key insights to guide your decision-making process. Factors That Determine the Lifespan of Commercial Roof Systems Several factors influence the durability and lifespan of a commercial roofing system. Understanding these can help building owners and facility managers make informed decisions about their roofing needs. Lifespan by