By Dale Payne, P.E.

With a lack of available space, developing the rooftop, or “fifth facade,” has become an essential solution. Facility managers and specifiers tasked with building and renovating office buildings, schools, and health care facilities prioritize health and flexible design while noting that outdoor spaces increase concentration, productivity, healing, and overall occupant well-being and satisfaction.

However, designing exterior architectural features can be challenging, as natural elements such as wind, rain, and snow test …