The Mayor of Firminy, M. Claudius Petit, commissioned Le Corbusier with the design of a Unité d'Habitation as the final stage of a housing development whose first stage was done by other architects. As with all other Unités of congruent size, the east and west facades are equipped with brise-soleil. Section and facades of the Unité d'Habitation, whose proportions are similar to that of the Unité in Marseilles.
Extract from Le Corbusier, Oeuvre complète, volume 7, 1957-1965