When people ask about the average life of a roof, the answer should vary widely because of several factors that make one roof different from the next. While a three-tab asphalt shingled roof will last between 15 and 18 years, that’s not going to be the case with every roof of that material, and this is due to a number of issues, including the quality of the materials being used, weather and the skill level of the contractors who put it on.
