ABOUT: Most common of all roof types in the U.S. today, asphalt shingles are the roofing material on almost 80 percent of American homes. Asphalt saturates both sides of their paper or fiberglass base ...
Green roofed structures date back thousands of years, even before the concept of housing as it is known today was birthed. The earliest green roofs came in the form of sod roofs above caves. Plants ...
About 80 years ago, the bowstring truss roof became a popular construction element in the United States. Prior to 1960, it was reportedly one of the most common design types for commercial and ...
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