Our A2 composite panels; aluminum sheet with outer surface of 0.80 mm PVDF painted; core filler wall thickness is 0.40 mm embossed aluminum plate and inner surface is 0.50 mm primed aluminum plate with a total thickness of 4 mm. Its weight is 4.80 kg/m2. It is extremely rigid; is superior to its counterparts. The inner core is completely aluminum filled. It is mandatory to use in all buildings with a height of over 21.5 m and provides high fire insulation.