CF 77
Concept Folding 77
Invite nature into your building
Concept Folding® 77 combines high insulation and comfort with maximal transparency and aesthetics. This folding door system optimizes your way of living by drawing the exterior into your home, with a minimum of space usage. This high performance system offers different opening types, both inward and outward, to meet all possible requirements. Apart from the standard folding elements, CF 77 can feature a main door principle, in which the first leaf is used as an entrance door without affecting the other folding leafs.
CF 77 is available in 4 different threshold solutions, from high performance to low and even flush thresholds, in order to perfectly match all comfort and aesthetic requirements. Additionally, the CF 77-concept can perfectly be combined with the CS systems for windows, doors and curtain walls.
Furthermore, CF 77 is available in Functional Slim-Line style. This CF 77-SL variant features a slimmer visible profile width.
Technical information
Min. Visible width T-profile 89 mm
Visible width meeting section 144 mm
Max. height vent 3000 mm
Max. width vent 1200 mm
Max. weight vent (element) 120 kg
Overall system depth frame 77 mm
Overall system depth vent 77 mm
Rebate height 14 mm
Visible height vent 97 mm
Min. Glass thickness 6 mm
Max. Glass thickness 63 mm
Thermal break Fibreglass Reinforced Polyamide Strips
Comfort
Air tightness max. test pressure 4 (600 Pa)
Water tightness 9A (600 Pa)
Wind load resistance B3 (1200 Pa)
Acoustic performance Rw (C; Ctr) = 34 (-2;-5) dB / 45 (-1;-5) dB, depending on glazing type dB
Safety
Burglar resistance RC2/WK2
Energy
Thermal insulation (Uf) 2,25 W/m²K
