At MAC Metal Sales Inc. we take great pride in our business and the quality product that we produce each and every day.  Metal roofing can last as long as 50 years or more.  By taking advantage of new technology like cool metal roofing, home owners are enjoying as much as a 40% reduction in summer cooling energy costs.  Not only is metal proven to perform well in high wind areas, but also has shown exceptional dent and fire resistance. Some areas of the United States have actually boasted up to 30% savings on insurance premiums.