ConceptSystem 77 High Insulation
Technical informationPerformance
Energy
- Thermal insulation - Uf
 - 1.9 W/m²K
 - Thermal insulation - Uw
 - 1.3 W/m²K
 
Comfort
- Air tightness
 - Class 4 (600Pa)
 - Water tightness
 - Class E900 (900Pa)
 - Wind load resistance
 - Class C5 (2000Pa)
 - Opening & closing resistance
 - Class 3
 
Safety
- Burglar resistance
 - PAS 24 - RC2 - RC3
 
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
 - 1700 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