When it comes to replacing your roof, home owners should really consider a metal roofing system. In addition to energy savings,metal roof is cost effective, more durable and longer lasting than most other materials. We all know the initial cost for a metal roof is higher than standard three tab shings, you will save money in the long run. A metal roof can last a lifetime, whereas materials like asphalt require reproofing every 10 to 20 years.