Thermally Insulated Hung Window
HW83 Thermally Insulated
Single & Double Hung Window
The HW83 is a thermally broken aluminium single and double hung window system designed to combine traditional aesthetics with modern energy efficiency. Engineered for residential, hospitality, and heritage-inspired developments, the system delivers excellent thermal insulation, weather resistance, and smooth sash operation while maintaining clean architectural sightlines.
Whether specified for contemporary homes, luxury apartments, renovation projects, or period-style properties, the HW83 provides a durable, low-maintenance solution that enhances comfort, security, and long-term building performance.
Key Features & Technical Benefits
Thermally Broken Aluminium Profiles: Advanced thermal barrier technology helps minimise heat transfer, improving energy efficiency and indoor comfort throughout the year.
Single & Double Hung Configurations: Available in both single hung and double hung formats to suit varying ventilation and operational requirements. Double hung windows allow both sashes to operate independently for enhanced airflow and user flexibility.
Smooth Vertical Sliding Operation: Precision-engineered balances ensure effortless opening and closing with reliable long-term performance.
Superior Weather Performance: Designed to provide excellent airtightness, water resistance, and wind load performance for demanding environments.
Enhanced Thermal Efficiency: Compatible with double and triple glazing up to 25mm, the HW83 system achieves U-values as low as 2.2 W/m²K, supporting compliance with Part L building regulations.
| PERFORMANCE | Value |
|---|
| Thermal Insulation | 2.2 W/m²K |
| Acoustic Insulation | 36 dB |
| Airtightness | 8a |
| Watertightness | 4 |
| Windload | C4/B4 |
| Parameter | Value |
|---|
| Wall Thickness | 1.6 mm |
| Frame Depth | 83 mm |
| Sightline Width | 52.7 mm |
| Panel Thickness, Max | 25 mm |
| Sash Weight, Max | 60 kg |
