Do Steel Roofs Improve the Resale Value of Your Residence?
http://www.pragmatainstitute.com/?option=com_k2&view=itemlist&task=user&id=1629412
With conventional roof options, there is a 4th reason attic air flow can be useful; good attic room air flow can help raise shingle life. By keeping rooftop temperatures a bit cooler, roof shingles life can be