1. It can be used both inside and outside. 2. We supply 15-20years quality ... , 1250, 1300, 1500, 1560mm Length According to customer's request. Panel thickness 2, 3, 4, 5, 6mm Aluminium sheet thickness 0 ... . Color Any color is OK. We have our own coating line. Mirror, wood color, granite, brush, nano and Fire proof ...