Abstract: Modular system for closet inside part or dressing room complement of combinable and adjustable design, mass manufactured with adjustable sizes, with combinable module systems to optimize the available space, standardized according to modern standards for popular or residential housing developments, characterized because it is easy to assemble, shows a strong resistance to impacts or overloads, with or without lateral edge reinforcements in the following combinable standard sizes 1.22, 1.83, 1.43, 2.44 and 3.05 m.