The invention relates to a door, a fanlight, door side section (door side light), window or similar, characterised by two glass sheets arranged beside one another at a distance, by a frame holding the sheets at a distance from one another--preferably incorporating fittings for the door etc., said frame essentially being covered by the sheets, by sealing means for the hermetic sealing of the space enclosed by frame between sheets and by a dessicant communicating with this space.