Many people assume that metal roofs, because of their durability, do not require as much attention to airflow. The truth is that selecting the best ventilation for metal roof structures is more important than ever. Metal roofs are highly energy-efficient and can reflect sunlight, but they also have a tendency to trap condensation if airflow is blocked. Moisture buildup can lead to rus... https://ahsiroofingandwindows.com/roof-ventilation/