No matter what commercial building roof type you have—metal, ethylene propylene diene monomer (EPDM), single ply, tar and gravel, foam, TPO, flat or asphalt shingles—the impact of ultraviolet (UV) radiation on roofing materials is significant and can lead to both physical and chemical degradation over time. As such, it’s important to understand how UV radiation impacts each roof type and how to prevent problems from occurring…