![](https://static.dezeen.com/uploads/2010/02/dzn_Ecomusee-du-Pays-de-Rennes-by-Guinee-et-Potin-111.jpg)
Ecomusée du pays de Rennes by Guinée + Potin Architects
Architectural photographer Stéphane Chalmeau has sent us his photos of a recently-completed extension to the Ecomusée du pays de Rennes in France, clad in wooden shingles and designed by French studio Guinée + Potin Architects.
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-12.jpg)
The long two-storey building is straddled by a second volume clad in wooden planks and supported on pillars made of raw tree trunks.
![](http://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-14.jpg)
This pierces the first storey, becoming a ceiling for the entrance foyer and providing a temporary exhibition space.
![dzn_Ecomusee du Pays de Rennes by Guinée et Potin 8 dzn_Ecomusee du Pays de Rennes by Guinée et Potin 8](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-8.jpg)
Here's some more information from Guinée + Potin Architects:
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Extension de l’écomusée du pays de Rennes
Taking into account a strong natural context, the project shows a wood skin drawing with a graphic pattern, composing a generous scale for a “building-sign”, real “Eco-museum” showcase.
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-5.jpg)
This formal intention, in addition to its impact, symbolises the program “Eco-museum” program, real exemplary teaching tool, this in prospect to a successful environmental integration.
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-2.jpg)
Holding account of the will to use natural materials, we have chosen materials principle “eco-biological”.
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-3.jpg)
The extension of the entrance hall and the temporary exhibition is in timber framework and timber cladding.
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-9.jpg)
The use of “dry” producer allows a management of a clean building site, the conservation to the maximum of trees and the continuous use of existing buildings in period of work.
![dzn_Ecomusee du Pays de Rennes by Guinée et Poti dzn_Ecomusee du Pays de Rennes by Guinée et Poti](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-11.jpg)
Southern side, the timber framework will put down an ecological concrete wall base and tinted in the mass with natural pigments.
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-18.jpg)
Above this wall base, the timber cladding is in natural wood shingles (chestnut) drawing graphic pattern and cover Eastern side of existing building with panel-insulating cladding.
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-19.jpg)
NAME: “Ecomuseum” in Rennes (France)
PROGRAM: Exhibition room and conference, entrance hall and offices for the “Eco-museum” of Rennes
ADRESS: Ecomusée du pays de Rennes – La Bintinais – 35 000 RENNES - FRANCE
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-15.jpg)
ARCHITECTURAL OFFICES: Guinée*Potin Architects, in Nantes, France
Architects: Anne-Flore Guinée, Hervé Potin. Collaborators: Céline Monvoisin, Solen Nico Engineering: ISATEG, Nantes, France
CLIENT: « Rennes Métropole »
SURFACES: 880 m2
![](https://static.dezeen.com/uploads/2010/01/dzn_Ecomusee-du-Pays-de-Rennes-by-Guin%C3%A9e-et-Potin-6.jpg)
COMPETITION: 2007 (prize winner)
Studies: 2007
Construction: 2008
Delivery: January 2010
COST: 1850 000 € HT (without VAT).
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