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ConceptFolding 77 Standard

Technical information

Performance

Insulation

Thermal insulation (Best) - Uf
2.25 W/m²K

Comfort

Air tightness
Class 4 (600Pa)
Water tightness
Class 9A (600Pa)
Wind load resistance
Class B3 (1200Pa)
Acoustics - Rw(C;Ctr)
45(-1;-5) dB
Durability
Class 3 (20000 cycles)

Safety & Security

Burglar resistance
RC2
Operating Forces Class
Class 1
* Performances and properties depend on size, profile combinations, hardware and infill choices. Please contact your Reynaers Aluminium representative.

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 central closer
154 mm
Min. width meeting section
144 mm
Min. width transom profile
48 mm
Min. height threshold
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 - frame/element
6 mm
Max. glass thickness - frame/element
63 mm
Min. glass thickness - vent
6 mm
Max. glass thickness - vent
63 mm