Metal roofing is incredibly durable and is designed to outlast most other roofing systems. The average asphalt shingles roof is expected to last anywhere between 10 and 20 years. Exposure to harsh Canadian weather conditions can drastically impact the longevity of shingles. Rubber roofs have a longer expected life span than asphalt shingles, however, the durability is also heavily influenced by maintenance and exposure. Other higher end roofing materials, such as cedar shakes, have an expected life of 25-30 years.
Metal roofs, on the other hand, are a maintenance free alternative. You can expect to get anywhere between 40 and 60 years of exceptional performance, with the additional benefit of a 50 year warranty. Though the upfront cost of metal roofing is generally higher than most other materials, the longevity and durability of the product makes them a highly-cost effective investment.