... Door is made of aluminum 6063 T5,controled by remote control, Electric remote control Aluminum Roll Up Door is made of aluminum 6063 ... slat with hole or without holeThe thickness is 0.8 or 1.2mmpowder coating white or other colorfit width ≤4.5mbig ... is 0.7mmFunction:anti-sunlight,anti-rust,anti-lacerated, With rigid structure,theftproofing,noiseproofing,warm kepping.Aluminum roller shutter project ...