Exploit state-of-the-art roofing techniques and technology. To remain competitive in today's roofing business you only need one authoritative guide: Robert Scharff's Roofing Handbook. From basic principles to new money-and time-saving techniques, it's got everything you need to stay ahead of the competition. This invaluable tool also delivers expert advice on effective bidding procedures, buying materials in bulk at the lowest price, selecting reliable vendors and suppliers, and much more. Step-by-step, it walks you through the full range of roofing techniques, including: gable and hip roof framing; framing valleys and rafters; trussed roof framing; flat or low-pitched roof framing; drainage and ventilation; sheathing; covering; estimating roof materials and other costs; and more.