Ornament-making requires a variety of working methods, such as: repoussé, forming, mould-making, stamping and design. For large ornaments a model must be made from zinc. All ornaments are assembled by soft soldering. Etablissements Auder works mainly to order for roofing companies, on the renovation of historic buildings and for a small number of private customers. It has worked on numerous prestigious sites both in France and overseas.