Adjustable Exterior Aluminum Louver Custom Panels for Facade Sun shading Cladding Description Adjustable exterior aluminum louver features rotatable slats for flexible sun‑shading and ventilation control. Made of high‑strength aluminum alloy, it suits all kinds of outdoor building conditions. Custom size, slat shape and surface coating colors are available for commercial facade projects. Feature Adjustable slat structure allows flexible control of sunlight and air flow High