Two-storey prefabricated f.t. with hot-dip galvanized metal supporting structure, horizontal concrete decks with gypsum boards and a pvc layer for sound absorption. Walls and roofing in sandwich panels composed of internal / external metal support in prepainted galvanized steel sheet and cavity in insulating material. External walls covered with reinforced concrete slabs and subsequent layer of sandstone type plaster. Micro-perforated lightweight plaster ceilings and ecological linoleum interior flooring. Aluminum windows and shutters. Roof with photovoltaic panels.