A commercial roof can last anywhere from 10 to 30 years. That's a broad timeline, and how long the roof will last depends on a number of factors-like the roofing type, building style, and maintenance history. Leaks, missing shingles, and damaged tiles are all signs of wear a tear on a roof. If you're worried about the state of your commercial building's roof, it's always best to have a professional inspect it. We'll perform a thorough inspection-keeping an extra eye out for water pooling on flat roofs-and let you know... read full review »