Jason Wilen

Jason P. Wilen is a board-certified architect and building enclosure specialist with more than 30 years of experience. Jason joined the Chicago office of Klein & Hoffman (K&H) in 2018 and is now an Associate Principal. Before K&H, Jason served seven years as a director with the National Roofing Contractors Association (NRCA) technical services section and 18 years with architectural, forensic and roof consulting firms.

EPDM is now available in both black and white non-reinforced membranes

Guest Column

Cool Roof Complexity

Claims that roof reflectivity mandates universally lower energy bills and enhance health are outdated

Jason Wilen

June 16, 2025

2 Comments

A forensic architect with over thirty years of experience designing roof assemblies weighs in on the latest 'cool roof' regulatory debate.

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Jason Wilen

ARTICLES

Cool Roof Complexity

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