Commercial Roofing: An Advanced Discussion on Wind & Hail

DonanEngineering Articles, Commercial & Residential Roofing, Featured, Forensic Engineer, Forensic Engineering, Hail and Wind, Principal Consultant

Commonly called “flat roofs,” most commercial buildings are actually clad with roof systems that provide about 1/8 to 1/4 inch per foot of positive drainage.  These roof systems are constructed differently than most steep-slope roof coverings and are typically watertight rather than water-shedding assemblies. The most common commercial roof coverings are single-ply membranes, multi-ply asphalt systems, and metal panels.  Common single-ply …