The presentation will discuss the history, evolution, features and benefits of built-up roofing. The use of buildup roofing in new, re-roofing and recover applications in both conventional and protected membrane assemblies will be also examined. The demonstration will show the installation of the vapour retarder, the primary insulation and a cover-board, and their attachment methods. The built-up roofing membrane assemblies will be also examined. The built-up roofing membrane will be installed showing the plies, the waterproofing coats, and treatment of the edges and comers and the surface.