Principia Launches Residential Roofing 2012 Industry Report

In 2011, North American residential roofing demand exceeded 140 million squares valued at more than $11 billion, representing factory gate revenues of residential roofing products including asphalt, metal, tile, wood, slate, polymer composite and built up roofing.

Source: http://finance.yahoo.com/news/principia-launches-residential-roofing-2012-130000559.html

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