A84 Hidden Sash
A84 hidden-sash system with reduced visible section
84 mm casement system with a 90 mm visible section and optional reduced meeting junction. Available in a standard version (Uw from 0.74 W/(m²K)) and a warm-temperate Passivhaus option (Uw from 0.71 W/(m²K)), based on the manufacturer's reference configuration.
Features
- 90 mm visible section
- Optional reduced meeting junction
- Warm-temperate Passivhaus version available
Specifications
- Material: Multi-chamber PVC
- System: Cortizo A84 Hidden Sash
- Thermal transmittance: Standard: Uw ≥ 0.74 W/(m²K); warm-temperate Passivhaus option: Uw ≥ 0.71 W/(m²K); reference configurations
- Acoustic insulation: Rw up to 46 dB
- Air permeability: Class 4
- Watertightness: Class 2250
- Wind resistance: Class C5
- Glazing: 32–46.5 mm
- Maximum dimensions: Sash: W 400–1400 × H 450–2500 mm; confirm by typology
- Maximum weight: Sash: 130 kg
- Profile sections: Frame 84 mm; sash 84 mm
- Type: Casement, tilt-and-turn and bottom-hung depending on configuration
- Warranty: Terms as stated in the quotation