The director's house, known as Coignet, is reputed to be the oldest concrete house in France. Despite being added to the Supplementary Inventory of Historic Monuments in June 1998, the house is slowly deteriorating.
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Its mouldings, concrete balustrade and cornice make it a masterpiece of world architectural history. The man who built it was François Coignet, a Lyonnais industrialist, inventor of agglomerated concrete and promoter of its use using the pisé technique specific to his home region, the Lyonnais. In 1851, he set up a subsidiary of his company in Saint-Denis. In 1854, he registered a patent for "economical concrete" and opened a second factory. In 1853, for promotional purposes, he and the...
Openings
Openings
All year 2025 - Open everyday
Location
Location
Environment
Environment
- Close to a public transportation
- Bus stop < 500 m
