Wooden & Alu Windows


THERMAX is designed by Slowinscy new aluminium clad window. The wooden part of the window is 88 mm thick, which allows
to install very thick glazing units.

Standard THERMAX windows are equipped with a 3 glazing unit with the heat transfer coefficient Ug = 0.5 W/m2K.

With this construction we obtain an excellent insulation parameter for the reference window Uw = 0.8 W/m2K.


Engineered fingerjointed pine, selected pine, meranti, oak, other on request, laminated.

Uw value

0.8 W/m2K (for test size window 1230x1480mm)

Glazing package, Ug value

48mm (4-18-4-18-4), Ug = 0.5 W/m2K

Air permeability

Class 4


Class 3A

Wind load

Class C3


Roto NT; Siegenia Titan VV

Surface treatment

Transparent colours based on current colour chart. Opaque colours based on RAL and NCS charts.


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