This manual has been designed specifically to guide the facility manager in making the best decisions regarding roofing systems replacements, repairs and upgrades. The full scope of current roofing applications and building envelope technologies are covered in detail, including both conventional and non-conventional roofing structures. You should learn about the developments in roofing materials and cladding systems, as well as how factors such as weather conditions and thermal expansion and contraction impact roofing design and material selection. Other topics include insulation and waterproofing membrane requirements, energy system calculations, fasteners and flashings, local codes and standards, life cycles of roofing systems, environmental considerations, roofing project management, warranty and maintenance of roofing systems, and roofing safety and liability. This book should provide a welcome resource for the facility manager seeking to modify, add to or improve his/her facility’s roofing systems.