Metal false ceiling with a hidden structure, made of 60x60 cm squares, characterized by a special section of the edges that houses a gasket that guarantees air and dust tightness. The panels are made of 6/10 thick steel, painted with “antimicrobial” epoxy powders with silver ions, with a bacteriostatic function that inhibits the formation and proliferation of bacteria. Completely airtight (IP 65) that can be inspected promptly, made up of metal panels specifically designed for clean rooms and operating rooms. The structure is made up of a double frame, the supporting frame is a triangle shape, which allows the panel to be housed inside. Installation is done with a slight pressure while disassembly and / or inspection takes place using suction cups