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ConceptFolding 77 Functional

Technical information

Performance

Energy

Thermal insulation - Uw Double
0.34 Btu/hr.ft².°F
Thermal insulation - Uw Triple
0.27 Btu/hr.ft².°F
Thermal insulation - Uf
2.2 W/m²K
Thermal insulation - Uw
1.3 W/m²K
Uw Dependencies
Ug 0.6W/m²K, warm edge spacer, @3.00x2.30m, 36mm glass

Comfort

Air tightness
0.1 cfm/ft³
Water tightness
8 psf
Air tightness
Class 4 (600Pa)
Water tightness
Class 9A (600Pa)
Wind load resistance
Class B3 (1200Pa)
PG rating
55
Acoustics STC
45 dB
Acoustics OITC
38 dB
Acoustics - Rw(C;Ctr)
45(-1;-5) dB
Opening & closing resistance
Class 3 (20000 cycles)

Safety

Burglar resistance
RC2
Operating Forces Class
Class 1
* Note: Performances and properties may be different depending on the profile combinations

Properties

Max. dimensions & weight

Min. height of vent
600 mm
Max. height of vent
3000 mm
Min. width of vent
400 mm
Max. width of vent
1200 mm
Max. weight of vent
120 kg

Sightlines

Min. width 4-pane
154 mm
Min. width meeting section
144 mm
Min. width T-profile
48 mm
Min. height treshold
5 mm
Depth frame
77 mm
Depth Vent
77 mm
Depth frame-vent
77 mm

Glazing

Rebate height
14 mm
Glazing method
Dry glazing - Siliconized glazing - Internal glazing - Glazing bead
Min. glass thickness - vent
6 mm
Max. glass thickness - vent
63 mm