Loewen Cyprium Living Finishes

Cyprium was the name ancient Romans gave to the copper that was first mined in Cyprus.The Cyprium Collection features copper and bronze clad windows and doors. The Cyprium Collection is unique in profile and construction. With soldered exterior joints, and rich tactile depth the Cyprium Collection is artisanal in its detail. These hand-wrought living surfaces will develope distinctive patinas over time and define the aesthetic chracter of the home to which the belong.

Copper and Bronze Cladding System

The Cyprium Collection is available in Awning, Casment, Terrace Door, Picture and Specialty. Nominal .040" thick copper and bronze is used to craft a cladding of exceptional strenghth for sash and frame segments as well as Simulated Divided Lite bars.
A palette of custom patinas is available.

Classic Sightlines

Distinct Picture/Direct Set Profiles

Picture/Direct Set (fixed, non-sashed unites) offer an even deeper offset from the edge of the sill, head and frame members to the vertical plane of the glass.



Patina Palette


  • 1. Copper Natura

  • 2. Copper Umbra

  • 3. Copper Verigris


Recessed Mullion

Recessed from the face
of the frame and sill, this
classic mullion detail combines
visual harmony with functional
design.Cyprium's deep sills
are well suited to masonry
wall construction.

Capped Sill End

Hand-fitted sill caps are
soldered in place for
structural integrity and
a finished appearance