Window having a window frame

A window for mounting in an inclined roof surface comprising a frame structure with a top, bottom and side members (1-3) and a top-hung sash structure with an insulating pane (4) encased between top, bottom and side members (5-7) of metal or plastic profiles and manufactured with dimensions corresponding to the exterior dimensions of the frame structure for direct abutment on a gasket (11-13) fastened to exterior edge surfaces (17-19) of the top, bottom and side members of the frame structure, said sash structure being openable relative to the said frame structure, characterized in that the top, bottom and side members of the frame structure comprise wood profiles (23) with substantially parallelogram-shaped cross-sections, said exterior edge surfaces (17-19) being positioned in a common plane, with which common plane adjacent interior and exterior opposite side faces (26, 27) of the parallelogram-shaped cross sections each forms an angle (v) of 95 to 140°, the angle between the common plane and the adjacent interior side face lying exterior to the parallelogram-shaped cross-section, and the angle between the common plane and the adjacent exterior side face lying in the interior of the parallelogram-shaped cross-section.