For courses in Construction Methods and Materials, Commercial Construction, Residential Construction, and Roofing Design, in departments of Architecture, Architectural Engineering, and Construction Science/Management/Technology. Combining academic rigor with contemporary design practice, this is the first true text book on roofing design, and the only reference that comprehensively addresses all roof design issues. It provides necessary information on the suitability of various systems for specific projects, and offers students a greater knowledge that will enable them to prevent most roof failures and resulting disputes.