m-sora-nature-windowNATURE window can be best described by an ancient wisdom: the best solutions are simple. The window concept is based on a century old tradition with the help of modern technology. The result is a simple yet generous window: generous because of the benefits it guarantees.

double sealing, triple also possible
middle seal does not join the built-in drain channel – preventing condensation on the aluminum
glass strip ensures better sealing and also better appearance
installing a built-in drain channel (made of wood) is possible
quality natural materials
simple and reliable performance
variety of shapes and sizes, custom made products also possible
excellent construction standards and fantastic heat and sound insulation

Resistance to wind load (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)

Window thermal transmittance
Certificate- Nature 1,0
Certificate- Nature 1,1
Use and maintenance instructions
Windows catalogue

Profile dimensions installation depth 68 mm
visible width 118 mm
Instalation options rectangular
arched, semicircular
Opening options fixed
combined (d and dk)
folding walls
tilt-slide walls
lift-slide walls
opening outwards
two-sided handle
Thermal insulation of the window (Uw) Ug = 1,1 1,3 W/m²K
Ug = 1,0 1,2 W/m²K
Ug = 0,7
Ug = 0,6
Ug = 0,5