Color coated aluminum coils for roofing sheets are of alloys 1050, 1060, 1100, 3003, 3004 and 3105. Although there are 6 candidate alloys, only 3003 and 3004 are the most popular. 1050, 1060 and 1100 are weaker in either hardness or corrosion resistance. They are suitable for roofing sheets expected to last only years, especially when they are coated with …

Aluminium roofing coil is also known as aluminium roofing sheet coil. It’s a roll type color coated aluminium product with an even thickness between 0.3mm and 1.5mm. Sometimes such a roll is cut into sheets, thus it is also known as the aluminum roofing sheet in coils. Whatever name it has, it’s processed from aluminium bars of given alloys into …