Steel profiles from the Landsberg factory produced for window reinforcement are also certified in France by the Scientific and Technical Center for Construction, CSTB (Le Centre Scientifique et Technique du Bâtiment).

CSTB is a public industrial and commercial company (EPIC) that examines the quality of products according to the technical parameters and building standards in force in France and many important aspects of the production and operation of the company.

We are QB44 certified.