All COGI products are in compliance with the EN 13964 european requirements that disciplines the geometrical, static and fire resistence characteristics of the elements for suspended ceilings. The carrier profiles are made of alloy 3005 aluminium or galòvanized steel DX51D+Z, and in both cases can be prepainted with polyester resins. The ceilings are made of alloy 3005 aluminium prepainted in pur chart colour. The different kind of prepaintings can vary according to the environmental conditions of the ceiling or cladding intallation. Normative of reference: EN 13964.