North American market for Commercial Roofing Material to be worth $5.9 billion in 2014

North American market for Commercial Roofing Material to be worth $5.9 billion in 2014: "The North American market for commercial roofing materials was worth an estimated $3.2 billion in 2009, for a 5-year compound annual growth rate (CAGR) of 12.7%.The largest segment of the market, metal roofing products, is expected to reach $875 million in 2014, after increasing at a CAGR of 12% from the estimated 2009 value of $496 million. The spray polyurethane foam (SPF) segment was the second-largest in 2009, and is expected to increase from a value of $420 million in 2009 to nearly $1.1 billion in 2014, for a CAGR of 20.6"