More greek than Roman, Miguel Fisac replaced the vault with the lintel. In Spain, a country which shyly adapted to the new developments during the sixties decade, the great spans demanded by the industrial and research buildings served as motivation to experiment with linear structures of concrete, the material that from then on would be the absolute protagonist, both of the roofing and of the enclosure. The sober walls of the Made laboratories – Finally built without marble after a complicated process of negotiation with the client – are the support for the cantilevered beams with which he initiated the search for a load-bearing elementwhose shape provided a solution for the roof enclosure, as well as for requirements of illumination, ventilation and water drainage... [+]