Big Glass BI-Folding

  • People are continuously looking for ways to maximize their space, as well visually as physically. The Concept Folding 77 offers them the opportunity to optimize the utilization of their rooms, draw-ing the external environment into their homes. Next to the improved space utilization, this innova-tive system offers the advantage of loads of daylight coming in, as well as an aesthetical design. Another practical feature of CF 77 is the optional door locking principle which allows to use the first leaf as an entrance door without affecting the folding capacity of the system.

    A Wide Range of Solutions

    With CF 77, design and user friendliness go hand in hand with high technical performance. The standalone solution exists out of new profiles, accessories and insulation technologies that have specifically been designed for folding systems. It ensures high insulation values (Uf values down to 2.25 W/m2k) that meet stringent local legislation requirements as well as market demands.

    Innovative Functional and Technical Features:

    • Highly thermally insulating
    • Water resistance up to 600 Pa
    • Glazing up to 63mm
    • 2 to 8 vent combinations
    • Burglar resistant variant
    • Large vents sizes
    • In and outward opening using the same profiles
    • Window or door functionality for the first vent
    • Integrated and centrally build-in bottom rolling system
    • High vent weights

    Design Variants

    Next to the functional design, the CF 77 is supplemented with a Slim-Line variant, the CF 77-SL, featuring a narrower visible width. Both designs are available in four different door sill solutions: High Performance, Double Weather Seal, Low Threshold, and Flat Bottom Solution

    The High Performance option offers maximum performance in terms of air, wind and water resistance. The Double Weather Seal solution combines good air, wind and water resistance with decreased threshold and is well suited for renovation projects. The Low Threshold option offers a rise of only 18 mm and finally the Flat Bottom solution allows easy passage and maximum convenience for high traffic.

  • Max. vent sizeMax. vent weightUw (W/m2k)*Uf (W/m2k)Visible Width vent-vent sect.
    Raynaers CF 771200x3000120kgdown to 1,66down to 2,25144mm
    Raynaers CF 77-SL1200x3000120kgdown to 1,64down to 2,31122mm
    Raynaers CF 77-AP1200x3000120kgdown to 1,66down to 2,25144mm
    Raynaers CF 77-SL/AP1200x3000120kgdown to 1,64down to 2,31122mm
    *Ug: 1,1 W/m2k 4-panel: 4000x2700mm
  • Flat BottomLow ThresholdDouble Weather SealHigh Performance
    Air tightnessNot applicableClass 2Class 2Up to Class 4
    Wind load resistanceNot applicableClass B2Class B2Up to Class B3
    Burglar proof*RC2RC2RC2RC2
    Water tightnessNot applicableClass 4A (150 Pa)Class 5A (200 Pa)Up to Class 9A (600 Pa)
    Optimal accessibility
    Aesthetic bottom solution
    Economical solution
    Easy passing
    (18mm threshold)
    Elementary AWW rating
    Weather Seal
    Double Weather Seal
    Suitable for renovation
    High Performance
    Double Weather Seal
    3 Different performance levels in one profile
    *The burglar proof classification is in accordance with EN 1627-1630

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