Embossed Colour Coated Aluminium Coil, also noted as oven baked embossed aluminium coil, embossed aluminium coil, or aluminium roofing coil, is produced by roller coating system, a continuous process where the aluminium substrate is degreased, chemically pre-treated and oven baked. Further through embossing process, the surface has a beautiful embossment design: either diamond embossed (rhombic) or stucco embossed (orange peel).