Alcos has its own specialised unit in which its produces metal moulds for production of special items (curved walls, large-scale multi-structure tunnel projects). Maritime works: wharfs, walls for slipways, hollow pillars, capping beams. Prefabricated elements executed specifically according to the client’s specifications. Alcos produces reinforcing cages on its own premises, also with galvanized steels and stainless steel. The concretes are prepared using specific recipes for marine environments (XS3).