WICLINE 75 TOP is a highly thermally insulating window system with optimal performance, reliable fabrication and performance figures at passive house levels – combined with the familiar slimline appearance of a 75 mm window system.


System tests / CE-marked product passport according to EN 14351-1:2006+A2:2016

Permeabilità all'aria
Tenuta all'acqua
Resistenza al carico del vento
Performance acustiche
Forze operative
Forza meccanica
Prove di sforzo
Resistenza alla corrosione della ferramenta
Classe antieffrazione
Resistenza ai proiettili
Garanzia di qualità
Class 4
Class C5/B5
Rw (C;Ctr) = 47 (-1;-4) dB
Class 1
Class 4
Class 3 (20 000 cycles)
Class 5
RC1N, RC2N, RC2, RC3
FB4 S, FB4 NS (depending on profile combinations)
Certified to DIN EN ISO 9001:2008

Technical performance

Profile technology

  • Highly thermally insulated multi-chamber system with ETC Intelligence® thermal break zone, which implements window designs with only 75 mm frame depth to passive house standards.
  • Patented corner and butt joint technology for high rigidity of components
  • Infill thickness up to 65 mm

Thermal insulation

  • Uf values 0.79 to 1.3 W/(m²K) for fixed glazed units with external sight lines from 48 to 155 mm
  • Uf values 1.0 to 1.2 W/(m²K) for sash-frame combinations with external sight lines from 74 to 142 mm
  • Uw values less than 0.80 W/(m²K)

Gasket concept

  • Central gasket in three variants:
    • Circumferential installation without corner pieces
    • With formed corners, no adhesive required
    • Corner vulcanised frames


  • Concealed hardware
    • Visible hinges, coated or anodised in all colours
    • Concealed hinges with integrated end position damping, opening angle max. 105°
  • Sash weights:
    • Concealed hinges: up to 160 kg
    • Visible hinges: up to 200 kg
    • On request: up to 300 kg
  • Sash sizes (w x h): up to 1700 mm x 2500 mm, Skylights up to 2500 mm x 1700 mm
  • Optional opening limiter

Additional designs

  • Concealed sash, infill thicknesses up to 50 mm
  • Integration frame for mullion/transom curtain walling
  • Skylight with manual lever, crank handle or motor

System combinations

  • WICLINE 75 TOP windows can be combined with WICLINE 75 evo windows, WICSTYLE 75 evo doors and using integration sash-frames, with current WICTEC curtain walling


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