ECO Y Frame High Wind Zone Solar Carport System 18-Panel Reinforced Steel Hurricane-Rated PV Parking Structure The ECO Y Frame High Wind Zone Carport is purpose-engineered for the world's most demanding wind environments, rated for wind speeds up to 85 m/s (Category 5 hurricane equivalent). Accommodating 18 photovoltaic panels, this system features Q345B reinforced steel construction with 120µm hot-dip galvanization plus marine-grade epoxy top coat, double-bolted Grade 10.9