The upfront cost of metal roof is higher than that of an asphalt shingle roof. However, a metal roof is a long-term investment as it will outlast several asphalt roofs. That is why metal roofs will always cost less in the long run since the homeowner will save the additional cost of replacing several asphalt roofs. London Eco-Metal Manufacturing Inc. manufactures and installs its products. Solid sheeting roofs are the most affordable roofs on the market in comparison to other metal roof products.