The most energy-efficient roof window with a single glazing unit available on the market FTT U8 Thermo.
Suitable for pitches from 15°-70°
Roof windows, energy-efficient, passive buildings
Special roof windows for energy-efficient construction and passive buildings.
FTT U8 Thermo. Window U-Value 0.58 W/m2K
FTT U6. Window U-value 0.8 W/m2K
Passive House certificate (FTT U8 Thermo)
More about this product:
Special roof windows for energy-efficient construction and passive buildings. The glazing units are installed to the specially designed sash frames.
The sashes have widened frames when compared to standard windows. Such a structure minimises the phenomenon of thermal bridges and better window insulation.
The pivot window with hinge situated above the centre of the window height, so even a tall person can comfortably stand at the open window. The special window design with widened sash frames and quadruple sealing system.
Convenient way to use the window as the handle is located at the bottom of the sash.
Easy cleaning of the outer pane and operating the awning blind with the use of blocking sash bolt when sash rotated through 180 degrees.
High quality pine wood, glued in layers, vacuum impregnated.
Double coated wood with ecological acrylic lacquer in natural colour.
FTT U8 Thermo windows equipped with triple chamber glazing unit and designed to be widely used in passive construction which is confirmed by Passive House certificate.
The warmest roof window on the market with a single glazing unit. Window U-value 0.58 W/m2K
The glazing unit is set in a specially designed sash frame, which offers wider wooden profiles in comparison with standard windows. The window is equipped with five seals. Such structure minimises thermal bridging and provides improved window insulation.
FTT U6 windows equipped with double chamber glazing unit. The window is particularly recommended for buildings where special emphasis is put on thermal energy savings. Window U-value 0.8 W/m2K
FTT R3 windows equipped with double chamber glazing unit with a special soundproof glass which significantly reduces noise penetration into the room Window U-value 0.81W/m2K
Increased resistance to burglary - topSafe system.