Aluminium alloy sun room 1).elegant design,high quality. 2).high rate light,high level ventilation. 3).Ventilation. Aluminium alloy sun roomInstruction description (1 ... ,frosted,tinted color,tempered for your options. Single glass:5mm/6mm,tempered Double glass:5mm/6mm+6A/9A/12A+5mm/6mm,tempered ... air to get into the room very easily. It has a wide window width,with a large glass,you can have a ...