Fakro FDY-V U3 Duet proSky Centre-pivot roof window

FDY-V U3 is a duet high pivot window.‎ Two sashes are placed in one window.‎ The upper sash is opened like a pivot window but its axis of rotation is situated above the cetnre of the widow, so even tall person can approach the edge of the open window.‎ The lower sash is non-opening with external pane laminated (safe).‎ It is the only window on the market when installed in roofs with pitches 30-43° satisfies the requirements of DIN 5034-1* standard, according to which the bottom window edge has to be situated 95cm above the floor level and the top minimun 220cm.‎ This window structure eliminates the need for vertical combinations, hence offering larger glazing area.‎ Window FDY-V eliminates the need for vertical combinations, hence offering larger glazing area.‎ Window operated by the use of handle positioned on the lower part of the sash.‎Handle equipped with two stage micro-ventilation.‎ Equipped with an automatic ventilator V40P provides the optimum amount of air into the room.‎ V40P automatic air-inlet ensures a healthy micro-climate in the attic and saves energy Rotated sash is blocked by the bolt for cleaning at an angle of 160°.‎  Technical Specification window U-value: 1.‎4 W/m²K pane U-value: 1.‎1 W/m²K  air-inlet: V40P  air-inlet air flow: up 52 m3/h  Further info from manufacturer on FDY-V U3 Duet proSky Fakro