Nature 3

Nature 3
The NATURE 3 window is best described by a traditional axiom: the best solutions are simple solutions. The window concept is based on a century-old tradition upgraded with the help of modern technology. The result is a simple yet generous window – generous oweing to the benefits it guarantees.


  • double sealing, triple also available
  • middle seal does not join the built-in drain channel, preventing condensation on the aluminum
  • glass strip ensures better sealing and looks better
  • installation of a (wooden) built-in drain channel) also available


  • quality natural materials
  • simple, reliable performance
  • various shapes and sizes, custom-made products also available
  • excellent construction standards, heat and sound insulation


  • Wind resistance (EN 12210): Class C2/B3 (single and double casement)
  • Watertightness (EN 12208): Class 8A (single casement) and class 7A (double casement)
  • Air permeability (EN 12207): Class 4 (single and double casement)






NATURE 3 window with wood profile



Profile dimensions installation depth 68 mm
visible width 122 mm
Instalation options rectangular
arched, semicircular
Opening options fixed
combined (tilt and turn window)
folding walls
tilt-slide walls
lift-slide walls
opening outwards
two-sided handle
Thermal insulation of the window (Uw) Ug = 1,1
Ug = 1,0
Ug = 0,7 0,99 W/m²K
Ug = 0,6 0,91 W/m²K
Ug = 0,5