Energy-efficient construction and Passive Buildings

Highly energy efficient windows

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.
Increased resistance to burglary - topSafe system.
A wide range of accessories.
Suitable for roof pitches 15 to 70 degrees.

Assembled together with E HV-AT Thermo flashings

Topsafe® system of burglary protection as standard

FTT U8 Thermo - window of the future

The FTT window with innovative structure ensures excellent thermal insulation performance and THE STRUCTURE AND ADVANTAGES - FTT U8 THERMO large energy savings. The FTT U8 Thermo window featuring Uw = 0.58 W/m2K is the most energy-efficient roof window with a single glazing unit available on the market. It significantly exceeds the energyefficiency requirements for roof windows which will become effective from 2021. The FTT U8 Thermo complies with passive construction requirements, which is confirmed by Passive House certificate.

Application of comprehensive solution ensures fulfilling energy-efficient
function of the window and allows to reduce heat loss as well as bills for heating the building.

See the structure and advantages - FTT U8 THERMO

Certificate PASSIVHAUS for FAKRO FTT U8 Thermo

The window with innovative structure, designed to be widely used in passive construction, offers very good overall heat-transfer coefficient for the whole window, guaranteeing significant energy savings.
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
- highly energy efficient glazing unit U6
- suitable for roof pitches 15 to 70 degrees
FTT U6
- 0.8 W/m²K window U-value 0.5 W/m²K glazing U-value 38 dB acoustic insulation Rw 6HT-18-4H-18-33.2T glazing unit argon inert gas filled panes + external glass toughened twice varnishing five seals Elegant handle
FTT U8 Thermo
- passive U8 glazing unit
- the most efficient roof window available on the market. Supplied and installed with flashing EHV-AT Thermo
- suitable for roof pitches 15 to 70 degrees
- insulation flashings XDK consisting of insulation set XDP and air-tight flashing XDS
FTT U8 Thermo
- 0.58W/m²K window U-value 0.3W/m²K glazing U-value 36dB acoustic insulation Rw 4H-12-4HT-12-4HT-12-4HT glazing unit krypton inert gas filled panes + external glass toughened twice varnishing five seals Elegant handle
FTT R3
- suitable for roof pitches 15 to 70 degrees
FTT R3
- 0.81 W/m²K window U-value 0.5 W/m²K glazing U-value 40 dB acoustic insulation Rw 8H-16-4HT-18-33.2SIT glazing unit argon inert gas filled panes + external glass toughened twice varnishing five seals Elegant handle