Patinated Copper: Facade, window surrounds and parapet flashing
Care must be taken to accommodate ventilaion for condensation and water drainage
See detail below for OXX-1 Patina

Entry Door: Copper-Clad, 2 sides
Textured, burned and polished.

Note how ambient light "fires" up the door even in shadow.

Copper facade, Detail of Patina OXX-1
Patina is applied before installation. No toxic acids used
Installation with copper nails