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ConceptSystem 77

Technical information

Performance

Energy

Thermal insulation - Uw Double
0.3 Btu/hr.ft².°F
Thermal insulation - Uw Triple
0.31 Btu/hr.ft².°F
Thermal insulation - Uf
2.1 W/m²K

Comfort

Air tightness
0.27 cfm/ft³
Water tightness
3 psf
Air tightness
Class 4 (600Pa)
Water tightness
Class 7A (300Pa)
Wind load resistance
Class C2 (800Pa)
AMAA rating
Class CW
PG rating
50
Acoustics STC
40 dB
Acoustics OITC
36 dB

Safety

Burglar resistance
RC2 WK2 RC3 WK3 PAS 24
Impact resistance
I5/E5
Fire resistance
EI₁ 30 EI₂ 30 EI₂ 60
Bullet resistance
FB4 FSG FB6 Kalashnikov
Opening & closing resistance
Class 6
* Note: Performances and properties may be different depending on the profile combinations

Properties

Max. dimensions & weight

Min. height of element
535 mm
Max. height of element
3061 mm
Min. width of element
535 mm
Max. width of element
1496 mm
Min. height of vent
500 mm
Max. height of vent
3000 mm
Min. width of vent
500 mm
Max. width of vent
1400 mm
Max. weight of vent
250 kg
Max. weight of fixed part
250 kg

Sightlines

Min. frame width (inward opening)
68 mm
Min. vent width (inward opening)
76 mm
Min. frame-vent width (inward opening)
150 mm
Min. frame width (outward opening)
42 mm
Min. vent width (outward opening)
102 mm
Min. frame-vent width (outward opening)
150 mm
Min. width T-profile
76 mm
Depth frame
68 mm
Depth Vent
68 mm
Depth frame-vent
68 mm

Glazing

Rebate height
25 mm
Glazing method
Dry glazing Siliconized glazing Internal glazing Glazing bead
Min. glass thickness - frame/element
4 mm
Max. glass thickness - frame/element
52 mm
Min. glass thickness - vent
4 mm
Max. glass thickness - vent
52 mm