Architecture studio Atelier Delalande Tabourin was commissioned to renovate a building located in the heart of a residential area from the 1950s in the city of Versailles. City located in the western suburbs of Paris, and which was the capital of the kingdom of France, from the end of the 17th century and during almost the entire 18th century.

The building is defined by three floors covered by six brick facades that allow the solid and cubic appearance of the building to be lightened. Inside was a dark space where the layout was difficult to read, isolating the large unused basement and disconnecting the living spaces from the generous peripheral garden.
Material wells designed by Atelier Delalande Tabourin is a renovation with four architectural interventions and four large skylights that pierce the existing floors to dazzle all levels with material. The gaps that allow the incision of light become reference points around which the spaces are structured.

The intention of the project is to be a material extension of the existing stelae, a contemporary and responsible nod to what already exists. The architects visited the DeWulf brick factory, where they found a huge pile of waste called "chamotte" (unsold, deformed, or overcooked bricks that are then crushed within the industrial site) and decided to design the work based on this material.

On the outside, we sought to gradually guide the visitor towards the different entrance spaces, through the implementation of a set of walks, seats, and the new large terrace, a direct extension of the main living room.


Materials wells by Atelier Delalande Tabourin. Photograph by Maxime Delvaux.
 

Project description by Atelier Delalande Tabourin

An exemplary rehabilitation in Versailles
The building to be rehabilitated is located in the heart of a residential area from the 1950s in the city of Versailles. It is made up of three floors clad on the facade by six imposing brick steles which, thanks to their verticality and their contrast in materiality, lighten the massive and cubic appearance of the building.

The first sequence worked on by the architects was that of arrival at the house. By creating a stroll in the garden animated by a play of walking, seats, and terraces, they sought to gradually guide the visitor towards the different entrance spaces. The last step is the new large terrace, a direct extension of the main living room.


Materials wells by Atelier Delalande Tabourin. Photograph by Maxime Delvaux.

The diagnosis
Then, upon discovering the interior spaces of the existing building, the atmosphere was dark with a distribution of spaces that was difficult to read, isolating the large unused basement and disconnecting the living spaces from the generous peripheral garden. In order to respond to this spatial diagnosis, ADT imagined four architectural interventions, and four large skylights that perforate the existing floors in order to dazzle all the levels with material.

The presence of these four architectural interventions facing the sober and minimalist interior of the rest of the house makes them reference points around which the spaces are structured.


Materials wells by Atelier Delalande Tabourin. Photograph by Maxime Delvaux.

A research project on matter
Worked using co-products from Ile-de-France brickworks, these interventions are intended as a material extension of existing steles, like a contemporary and responsible nod to what is already there. This “chamotte concrete” materiality is the result of a long research process initiated in the “resource diagnosis” phase with Anna Saint-Pierre, designer and researcher in reuse, and collaborator on this project.

When visiting the DeWulf brickworks, we were quickly struck by a huge pile of waste called “chamotte”. This co-product corresponds to all the unsold, malformed, or overcooked bricks which are then crushed within the industrial site. From then on, it seemed obvious that we had to use this deposit as a material basis for our project.

A long series of tests and prototypes followed in collaboration with the companies Cemex and Sols, particularly for the choice of grain size for interior and exterior floors. Indeed, in parallel with our vertical wells, we wanted to play on the density of chamotte in the soil in order to subtly indicate to users the different spatial sequences.


Materials wells by Atelier Delalande Tabourin. Photograph by Maxime Delvaux.

Preserve the history of the place
With this same waste material, ADT wanted to reveal the old interior organization of the building by, for example, highlighting traces of the old partitions in the rooms, or by reusing the existing travertine floors in the living room into decorative elements: masonry bench above. A contemporary and committed rehabilitation that, thanks to the sensory qualities of materiality, brings a spatial and emotional experience to the place while respecting its history and local know-how.

More information

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Architects
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Collaborators
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Project manager.- François-Xavier Jamin - Architect HMONP.
Reuse mission.- Anna Saint Pierre - Designer, PhD in Design BET.
Structure.- Cons-Struct, Chamarande.
General contractor.- CPS, Meaux.
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Area
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300 sqm.
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Dates
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Schedule.- 2020 to 2022.
Work deadlines.- 14 months.
Delivery.- April 2023.
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Location
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9 rue Jacques Lemercier, 78000 Versailles, France.
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Budget
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€ 450,000 excluding tax.
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Manufacturers
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Exterior floors.- Floors, Vaux le Penil.
Interior floors.- Mergozzo, Montbard.
Brick chamotte.- DeWulf brickworks, Alonne.
Interior chamotte concrete.- Mergozzo, Montbard.
Exterior chamotte concrete.- Soils, Vaux le Penil.
Tinted concrete.- Cemex Matériaux, Nanterre.
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Photography
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Atelier Delalande Tabourin (ADT) is an architecture studio founded in 2017 by Nicolas Delalande and Sébastien Tabourin, and based in Paris and Orléans, France. The office is positioned in a contemporary and sensitive reflection on architecture, which mainly revolves around a unique work with materials.

ADT is driven by a deep desire to experience space in its sensible and sensory dimensions. A specific investigation of each of their sites that pushes them to insist more on the material contextualization of their projects than on a search for a particular form or visual identity. Work with textures, colors, lights, noises, smells, shapes and volumes that allow your architecture to transcribe the felt atmosphere of the place. For this reason, they seek to privilege materials from local geology or local craftsmanship, paying special attention to their possible reuse.

Awards.-
2020.- Winners of the Albums of Young Architects and Landscape Architects (AJAP), a European competition for young architectural and landscape creation organized by the Ministry of Culture.
2017.- Winners of the Concrete Trophy, 2nd prize.
2016.- Winners of the Grand Prize for Architecture of the Academy of Fine Arts.
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