ConceptSystem 77 Functional Window
Technical informationPerformance
Energy
- Thermal insulation - Uw Double
- 0.24 Btu/hr.ft².°F
- Thermal insulation - Uw Triple
- 0.18 Btu/hr.ft².°F
- Uw Dependencies
- Frame-vent HI: Ug 1.0W/m²K, warm edge spacer,@1.23x1.48m (102mm sight line), 36mm glass
Comfort
- Air tightness
- 0.04 cfm/ft³
- Water tightness
- 12 psf
- Air tightness
- Class 4 (600Pa)
- Water tightness
- Class E900 (900Pa)
- Wind load resistance
- Class C5 (2000Pa)
- AMAA rating
- Class AW
- PG rating
- 120
- Acoustics STC
- 43 dB
- Acoustics OITC
- 34 dB
- Opening & closing resistance
- Class 3
Safety
- Burglar resistance
- PAS 24 - RC2 - RC3
- Operating Forces Class
- Class 1
Properties
Max. dimensions & weight
- Min. height of vent
- 23 5/8 inch
- Max. height of vent
- 110 1/4 inch
- Min. width of vent
- 17 11/16 inch
- Max. width of vent
- 66 15/16 inch
- Max. weight of vent
- 374 lbs
Sightlines
- Min. frame width (inward opening)
- 2 inch
- Min. vent width (inward opening)
- 1 5/16 inch
- Min. frame-vent width (inward opening)
- 3 1/2 inch
- Min. vent-vent width (inward opening)
- 5 11/16 inch
- Min. frame width (outward opening)
- 11/16 inch
- Min. vent width (outward opening)
- 3 inch
- Min. frame-vent width (outward opening)
- 3 11/16 inch
- Min. vent-vent width (outward opening)
- 7 3/16 inch
- Min. width T-profile
- 3 inch
- Depth frame
- 2 11/16 inch
- Depth Vent
- 3 1/16 inch
- Depth frame-vent
- 3 1/16 inch
Glazing
- Rebate height
- 1 inch
- Glazing method
- Dry glazing - Siliconized glazing - Internal glazing - Glazing bead
- Min. glass thickness - frame/element
- 3/16 inch
- Max. glass thickness - frame/element
- 2 1/16 inch
- Min. glass thickness - vent
- 3/16 inch
- Max. glass thickness - vent
- 2 1/2 inch