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WING 50 SK – Top-hung projecting window


The innovative glazing technology of WING 50 SK features the option of a glass surface on the outside using structurally bonded stepped edge glazing, or a low profile frame with standard sealed units.


  • Outward opening projecting window with stepped edge glazing
  • Economic alternative with standard glass and slim profile design
  • No visible screws or glazing beads
  • Very slim design: inside 52 mm, outside 50 mm
  • Available as system for self-fabrication or as pre-assembled units
Max. width 2,700 mm
Max. height 2,700 mm
Max. sash weight 180 kg
Opening angles 20°/30°/45°/50°
Infill thickness 24 to 46 mm
Approvals tested with 2° inclination
Approvals based on product standard for window EN 14351-1
Wind resistance Class C4
Air permeability Class 4
Water penetration E 1800
Airborne sound insulation Rw = 43 dB
Burglar resistance RC2
Continuous-operational testing Class 2
Thermal insulation