Overview
ConceptSystem 77
ConceptSystem 77 is a trusted window solution that has been fully optimised to match all your project needs. This versatile aluminium system offers a complete range of variants and options, at a very competitive price-performance ratio.
- Versatile window solution to match any project needs
- Well-balanced price-performance-features mix
- Reliable windows that last a lifetime
Technical information
Performance
Insulation
Thermal insulation (Best) - 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
Durability
Class 3 (20,000 cycles)
Safety & Security
Burglar resistance: PAS 24, RC2, RC3
Fire resistance: EI₁ 30, EI₂ 30, EI₂ 60, EW 30
Bullet resistance: FB4, FSG, Kalashnikov
Properties
Max. Dimensions & Weight
Min. height of vent:
600 mm
Max. height of vent:
2800 mm
Min. width of vent:
450 mm
Max. width of vent:
1200 mm
Max. weight of vent:
170 kg
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
Glazing
Rebate height:
25 mm
Glazing method:
Dry glazing, Siliconized glazing, Internal glazing, External glazing
Min. glass thickness - frame/element:
4 mm
Max. glass thickness - frame/element:
52 mm
Min. glass thickness - vent:
4 mm
Max. glass thickness - vent:
63 mm