Regarding architectural bronze windows the copper alloy of the profiles does not need any surface treatment to be protected against weather influences.
The natural coating creates a durable protective film. The so-called bluing with the “bronze antique” effect accelerates this natural process. Due to their classic design, bronze profiles are ideal for refurbishing heritage-protected buildings.
| Architectural Bronze | Aluminium | |||
| Specific weight | 8,3 | 2,7 | ||
| Thermal conduction W/m?K | 80 | 237 | ||
| Linear thermal expansion coefficient mm/mt X 1°C | 0,019 | 0,023 | ||
| Tensile modulus Mpa | 85000 | 69000 | ||
| Tensile strength Mpa | 390 | 200/240 | ||
| Threshold value plastic deformation at 0.2% Mpa | 200 | 170 | ||
| A-brass bar “architectural bronze” before extrusion | ||||
| B-extruded profiles in brass “architectural bronze” |
Architectural bronze windows impress with a stylish look and complete stylishly precious woods such as oak, Sipo mahagony or walnut.
The Rauh range offers a flush or sharp-edged solution for wall windows or post-and-beam insert windows. The indoor facing sash is also available in a sharp-edged solution.
