Fakro FTT/U U8 Thermo White Polyurethane (PU) Coated Centre Pivot Window with U8 Quadruple Glazed Glass As standard, the FTT/U is equipped with a set of insulation flashings XDK consisting of insulation set XDP and air-tight flashing XDS. Description 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.. Properties Window uValue: 0.58 W/m2K. Glazing uValue: 0.3 W/m2K. Acoustic insulation Rw: 36dB. Inert gas filled panes: krypton. Glazing: 4H-12-4HT-12-4HT-12-4HT. Handle: elegant. Features 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. Polyurethane coated pine. Increased resistance to burglary - topSafe system. A wide range of accessories. Suitable for roof pitches 15 to 70 degrees.