Menphis produced the decoration on the false ceilings and wall panels in the corridors leading to the various boxes and the hallway to the sitting rooms and lounges. Menphis used transfer technology to reproduce the polka-dot design chosen by Molteni & C. for the interior design on steel panels applied to the walls and ceiling. The delicate white and beige polka-dot texture matches the upholstery on many of the furnishings.

Two kinds of panels were used: perforated with edge trim on the false ceilings (60x60 cm) and solid panels on the walls (120x60 to 250x300 cm). A total of about 1500 panels in different sizes were required. The steel substrate was treated with thermosetting polyester powders suitable for sublimation, a process which uses high temperatures to transfer the pattern onto the polyester film to be applied to the panel: a procedure performed using special presses which are heated to a temperature of 200°C to promote perfect contact of the film with the surface to be treated. All the products employed are RINA certified and conform to the standards of the certification organisation.