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Sources

  • 4Specs. "Roof Underlayment Materials." (Accessed 12/16/08) http://www.4specs.com/s/07/07-3070.html
  • Morelli, Carlo. "Learn How to Install Metal Roofing." E-zine Articles. (Accessed 12/16/08) http://ezinearticles.com/?Learn-How-to-Install-Metal-Roofing&id=133625
  • New England Metal Roof. "Metal Roofing Contractors." (Accessed 12/16/08) http://www.newenglandmetalroof.com/
  • Toolbase. "Synthetic Roof Underlayment." (Accessed 12/16/08) http://www.toolbase.org/Technology-Inventory/Roofs/synthetic-roof-underlayment
  • Vandervort, Don. "Metal Roofing Buying Guide." Home Tips. (Accessed 12/16/08) http://www.hometips.com/buying-guides/metal-roofing.html