The construction industry alone accounts for 37% of global CO2 emissions, with cement production alone accounting for 8%. It is essential to propose a sustainable alternative capable of reducing the impact of this hard-to-abate sector. The Re-Came Stone project proposes an innovative solution: taking waste from stone cutting industry and transforming it into a building component through additive manufacturing (AM). To this end, laboratory tests were carried out to develop the optimal mix design and AM process, resulting in a stable, scalable and repeatable product. The strength of this project lies in the modularity of the product obtained, with sinusoidal shapes and cavities that improve aesthetics and provide a functional interpretation of this component, such as insulation or ventilation. The product life cycle analysis effectively showed a footprint of 0.475 kg CO2er/kg lower than traditional cement and compliant with Italian CAM criteria.
The project embodies the concept of circularity, in which today’s waste can become tomorrow’s product.
The project embodies the concept of circularity, in which today’s waste can become tomorrow’s product.