In case of aluminium, solid aluminium, aluminium composite panels (ACP), extruded aluminium are used in wall cladding. They are light weight, non-corrosive and recyclable in nature, have high strength-to-weight ratio and come in diverse colours and finishes (that can mimic other materials like marble or wood). ACP's further come in different varieties - Brush faced, Mirror faced, wood textured, marble faced, basar and acrylic-based ACP. Extruded aluminium cladding is used for walls, facades and column covers. In terms of strength, steel scores over aluminium.