Duke University Medical Center has a lot of roofs. Approximately 300, comprising 2.5 million square feet of roof surface. So far.
When Tim Pennigar, Coordinator of Medical Center Maintenance and Construction, arrived over 12 years ago, he will tell you, “We probably had one of every roofing system known to man out here. A real smorgasbord of construction from the 1920s on.” When Pennigar lead a second-generation of reroofing in the mid 1980s, he got a real education in what worked and what didn’t. And why. Read More