The CSTB, or Centre Scientifique et Technique du Bâtiment, is a French public research organization focused on the construction and building industry. Established in 1947, it aims to improve the quality, safety, and sustainability of buildings through research, innovation, and technical expertise. The CSTB collaborates with various stakeholders, including government agencies, industry professionals, and academic institutions. The organization conducts studies and provides certifications related to building materials, energy efficiency, and environmental impact. By developing standards and guidelines, the CSTB helps ensure that construction practices meet regulatory requirements and promote sustainable development in the construction sector.