After 15 years of R&D, Carbon Capture Buildings Greentech have developed a new biosourced construction material, a wood-based concrete, and developed its applications in patented construction principles, walls and pre-slabs, adapted to heavy prefabrication. All these processes, protected by 6 patents, are marketed to prefabricators under a contract for TimberRoc technology. The particularity of this material is that it has a very negative carbon footprint, while allowing construction in a structural manner. In addition to this advantage, which is unique on the market, it has remarkable technical properties and is perfectly suited to the current challenges of the construction world: distributed thermal insulation, summer comfort, natural perspiration, sound absorption, fire resistance, etc. The biosourced raw material used in the formulation of our wood-based concrete is a high-quality wood aggregate that we produce from sawmill by-products and pulpwood from French forests under sustainable management. The effectiveness of TimberRoc technology has been validated by technical approvals allowing the construction of any type of building up to R+7, and thus fully meets the difficult requirements of the RE2020, whose objective is to fight against climate change.