Curved Blade Aluminum Louver Custom Panels for Building Facade Cladding Description Curved blade aluminum louver adopts special curved slat design for facade sun‑shading and ventilation. Made of high‑strength aluminum alloy, it delivers good rain‑proof performance. Custom blade size, spacing and coating colors are available for various commercial exterior projects. Feature Curved‑shape blade design optimizes sun‑shading and rain‑proof performance High‑strength aluminum alloy