CBS-Lifteam produces in-house at Ecotim in Savoie and has committed to limiting carbon footprint by sourcing spruce from France, the Jura, the Massif Central... The vertical CLT for the corridors comes from X-Lam in the Jura.
Additionally, thick TeboPin plywood is used for ceilings and walls, with the first layer not visible and the second layer knot-free, in the Select range. The company also used Steico Flex wood wool by reference to the nearby site in Casteljaloux, and once again took the risk of prescribing a resilient biosourced layer, Steico Base, in the floor layering, as there are no biosourced solutions available in this case yet.