The Commission is in the process of updating some of the content on this website in light of the withdrawal of the United Kingdom from the European Union. If the site contains content that does not yet reflect the withdrawal of the United Kingdom, it is unintentional and will be addressed.

Christophe BARRAS's picture

Christophe BARRAS

Ingénieur Etudes et Recherche, CSTB (Public)

Speaks French