... ).high rate light,high level ventilation. 3).Ventilation. Aluminium alloy sun roomInstruction description (1) Alloy: Aluminum frame,6063-T5, thermal-break ... ,frosted,tinted color,tempered for your options. Single glass:5mm/6mm,tempered Double glass:5mm/6mm+6A/9A/12A+5mm/6mm,tempered ... easily. It has a wide window width,with a large glass,you can have a wide view,also it has a ...