... 600mm for one single piece, thickness:2.0~3.5mm. Aluminum louver profile(aluminum sun louver): 1, Material: 6 series ... alloy 2, Size, max blade width: 600mm, min blade: 50mm, length: 3 ... ~8 meters for one piece. 3, Temper: T6/T5. 4, Surface treatment: ... hall and glass wall etc.. extruded aluminum louver profile