Insert unit windows

Insert units are windows and doors, which can be used in a facade system, e.g. in a mullion-transom facade. Insert units are used to provide access, natural ventilation or smoke outlets within a closed facade system.

  • Suitable for use in highrise buildings and with mullion-transom facades
  • Two types of glazing available: Stepped insulated glass and standard insulated glass with a continuous glazing bead
  • With structural glazing Vorsatzflügel (optional)
  • With weather-protected venetian blind (optional)
  • The first aluminium window system certified for use in passive houses
  • The perfect partnership of soundproofing, thermal insulation and design
  • Easy-to-move mechanism, energy absorbing opening limiter secures against falling
  • The perfect blend of comfortable living/working climate and stylish architectural design

Sample designs for insert units

Technical data for insert units

Type of construction:
Maximum thermal insulation, highly thermally insulated
Side-hung casements, turn/tilt casements, tilt casements, projected top-hung windows and parallel opening windows
Casement size:
1.500 mm x 2.000 mm
Window type:
Windows as insert units in mullion-transom facades, soundproof windows as insert units in mullion-transom facades
Burglar resistance DIN V ENV 1627 to 1630 WK 1 to WK 3
Resistant to wind loads up to DIN EN 12210 B5 C5
Physical properties:
Air permeability DIN EN 12207 AE Class 4
Driving rain impermeability DIN EN 12208 9A
Thermal transmission rating DIN EN 12412-2 Uf = 1.3 W/(m²K)


Our service to ensure the success of your project with our window insert unit.

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