Aluminium Composite Panels (Metal Signs) are perfect as retail signage. Road signs, street signs and parking signs are commonly made from aluminium to make them extra durable. Entrance signs for companies, shops and other buildings often have really high-quality signs, so aluminium is an excellent choice. They also look stylish and professional. If you would like a slightly more exclusive look for an office sign or any other type of sign, aluminium has a lot to recommend it.