Aurubis Finland Oy, P.O.Box 60, FI-28101 Pori, Finland 16 EN 14783 Fully supported metal sheet and strip for roofing, external cladding and internal lining Copper sheet and strip – in DHP copper and in brochantite based patina 0 30 m, bronze CuSn4, brass CuZn15 – EN 504 – EN 1172 Reaction to fire: Class A1 External fire performance: Class BROOF(t1), Class BROOF(t2), Class BROOF(t3), Class BROOF(t4) Durability: Copper