These finishes are pre-patinated at the Aurubis mill to create the green/blue/turquoise patina that naturally develops over time with exposure to the environment. The pre-patination process ...

An alloy of copper and tin with a similar color to Nordic Standard copper finish. When exposed to the atmosphere, the surface will change gradually to a stable, dark chocolate brown or even black ...

A green-patinated copper shell topped with solar panels forms this "habitable power station" in Oxford, designed by local studio Adrian James Architects. Named Copper Bottom, the two-storey house ...