78 mm Energy-saving Windows
This system enables to achieve thermal parameters for the en tire window close to 1,0 W/m2K
- frame glued from four wooden layers in a width of 78mm, considerably increases the stability of construction,
- significantly higher thermal insulation resulting from the use of triple glazing system with U=0,6 W/m2K coefficient,
- dual sealing line increases the tightness of a window sash,
- fittings of increased deadweight.