Abstract: In a roof window with a frame structure and an openable, pane supporting sash structure, the top, bottom and side members (1–8) of the frame and sash structures are for the major part made as wood profiles, which on the outwards facing sides are covered by covering members of weather-shielding material connected with the wood profiles by means of engagement and securing means. The covering members (11, 12, 15, 17, 20, 21, 32) serve as sealing enclosure for the subjacent wood profiles in the frame and sash structures on all surfaces on the outside of the roofing, and engagement and securing means (23–29, 40) are designed in such manner and/or positioned such relative to the covering members that water and moisture penetration into the wood profiles is substantially prevented.

Abstract: In a roof window with a frame structure and an openable, pane supporting sash structure, the top, bottom and side members (1-8) of the frame and sash structures are for the major part made as wood profiles, which on the outwards facing sides are covered by covering members of weather-shielding material connected with the wood profiles by means of engagement and securing means. The covering members (11, 12, 15, 17, 20, 21, 32) consist of an upper and a lower cap member (20, 21) on the frame and sash side members (3, 4, 7, 8) designed as flat, trough-shaped profiles with identical, substantially U-shaped profile cross section comprising an exterior wall (20a, 21a) and two low side walls (20w, 21b-c).