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Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it? Maybe. Most codes now allow no more than two layers of roofing before requiring a complete tear-off. So, if ...
Actually, engineers and scientists are working on that. They're figuring out ways to collect the sun's energy on everything from car rooftops to windbreakers to the roof shingles of our homes. "For ...
Most homeowners in the U.S. choose asphalt shingles because they are of the easiest to find, most affordable and versatile types of roofing. The most durable types of roofing are slate and clay ...
Leonardo David is a writer and energy consultant who has worked on projects funded by the Inter-American Development Bank. An electromechanical engineer, he has written about solar energy and the ...