Abstract: Prefabricated ribbed ferrocement element E sandwich type is effused in the mould K with vibrating motor 14 embedded, and it consist from box looking shell 15 made from ferrocement with fortified ribs 16 thermal isolation layer 17 and protective layer 5; on the side of the elements E hooks 18 have been positioned made from armature and used for removing elements from the mould K and his placement on the construction site. Moustaches 19 made from armature and positioned on the frontal side of the element serve for binding with armature of the reinforced concrete arches 6; they have an optional openings 8 made for windows, ventilation and other installations. A construction structure is constructed using the prefabricated ribbed ferrocement element E.