Exterior Aluminum Louver Custom Panels for Building Facade Ventilation Cladding Description Exterior aluminum louver adopts slatted structure for building facade ventilation and decoration. Made of high‑strength aluminum alloy, it balances air circulation and sun‑shading effect. Custom size, slat angle and coating colors are supported for various commercial building projects. Feature Slatted design realizes good ventilation and sun‑shading performance High‑strength aluminum