With nearly 24,000 m² of office space out of 7 levels, Curve is one of the largest wood structure buildings in Europe. The building runs on seven floors and four basement levels and has 1960 workstations. Located near the “Stade de de France” station on the RER B, Curve offers a wide range of services (business centre, co working, fitness, concierge, contemporary coffee, etc.), including several accessible terraces and generous landscaping gardens. The trays of nearly 3,000 m² have a free height above 2.70m and a depth of about 18m.

The stairs and elevators cores are made of low carbon concrete (as are the infrastructure) and ensure the bracing and thermal inertia of the building. Mixed wood and concrete construction, as well as the implementation of the majority of CLT load-bearing walls (prefabricated), reduces the carbon impact relative to a traditional concrete structure and ensures carbon storage of 4,200 tons of CO₂.

This constructive method, which relies heavily on pre manufacturing, also offers the advantage of the speed of onsite installation, allowing for a gain in terms of the execution schedule.

Anodished aluminium sun-shadings also protect the façade.

Other examples of carbon optimisation:

• On technical batches: New generation refrigerant fluids generate a gain of 1,085 tons of CO₂ compared to standard fluids;
• On interior coatings: Recycled sublayer carpets resulting in a gain of 180 tons of CO₂ compared to the reference values;
• Working with manufacturers committed to reducing their environmental and voluntary impacts for writing environmental and health declaration sheets (FDES);
• Tenant companies’ participation for the carbon optimisation proposal on their lots.

The building is committed to 40% below RT2012 in terms of its energy needs, aiming for HQE certification under the NF referential for tertiary buildings – starts HQE from 2015, with an Exceptional level passport, the Effinergie + label as well as the E + C level E2C1 and the BBCA level Standard label.