ConceptSystem 77
Technical informationPerformance
Energy
- Thermal insulation - Uf
- 1.8 W/m²K
- Thermal insulation - Uw
- 1.3 W/m²K
- Uw Dependencies
- Frame-vent: Ug 1.0W/m²K, warm edge spacer, @1.23x1.48m (102mm sight line), 36mm glass
Comfort
- Air tightness
- Class 4 (600Pa)
- Water tightness
- Class E900 (900Pa)
- Wind load resistance
- Class C5 (2000Pa)
- Acoustics - Rw(C;Ctr)
- 42(-2; -4) dB
- Opening & closing resistance regulation
- Class 3
Safety
- Burglar resistance
- PAS 24,RC2,RC3
- Fire resistance
- EI₁ 30,EI₂ 30,EI₂ 60,EW 37
Properties
Sightlines
- Min. frame width (inward opening)
- 51 mm
- Min. vent width (inward opening)
- 33 mm
- Min. frame-vent width (inward opening)
- 89 mm
- Min. frame width (outward opening)
- 17.5 mm
- Min. vent width (outward opening)
- 76 mm
- Min. frame-vent width (outward opening)
- 93.5 mm
- Depth frame
- 68 mm
- Depth Vent
- 77 mm
- Depth frame-vent
- 77 mm
Glazing
- Rebate height
- 25 mm
- Glazing method
- Dry glazing - Siliconized glazing - Internal glazing - External glazing - Glazing bead
- Min. glass thickness - vent
- 4 mm
- Max. glass thickness - vent
- 63 mm