
Window system · Series 65
65 Casement Window
A chambered composite window system for everyday residential use, combining thermal insulation with a practical opening format.
Glazing & performance: 65 Casement Window
Whole-window U-value · W/(m²·K)
| Glazing build-up | U-value |
|---|---|
| 5Low-e + 9A/Ar + 5 + 9A/Ar + 5 | 1.6 / 1.5 |
| 5Low-e + 9A/Ar + 5Low-e + 9A/Ar + 5 | 1.35 / 1.3 |
Paired U-values and A/Ar notation are retained as listed. The individual conditions are not defined; pairs are not ranges or assigned to a gas fill.
- Wind resistance
- Class 8
- Watertightness
- Class 5
- Airtightness
- Class 7
- Airborne sound insulation
- >40 dB
Catalogue-stated performance. Test standards, specimen sizes and acoustic rating methods are not specified; no international class conversion is implied. Confirm evidence for your final configuration.
System features
- Chambered polyurethane composite frame
- Configurations for new-build and replacement windows
- Two listed Low-e glazing configurations
Applications
Conventional housing, residential renovation and multi-storey homes.
View catalogue page 4 (PDF): 65 Casement Window









