Roof window comprising a sash with intermediate elements

A roof window, comprising:

• a frame, a sash, and a pane, in which the frame comprises a set of frame members including a top frame member, two side frame members and a bottom frame member and the sash comprises a set of sash members including a top sash member, two side sash members and a bottom sash member, each frame member and sash member defining a longitudinal direction, and
• the pane comprises an exterior sheet and at least one interior sheet, the pane comprising a plurality of edge portions and an exterior pane surface,
• a plane of the roof window being defined by an exterior side of the exterior sheet of the pane, and a height direction of the members of the frame and sash being substantially perpendicular to the plane and extending from an interior to an exterior of the roof window,
• each sash member comprises a profile element, an inner element and an intermediate element forming a connection between the profile element and the inner element of each sash member,
• that the inner elements of the sash members form a coherent inner element sash structure supporting an interior edge portion of the pane,
• that the profile elements of the sash members are located along respective exterior edge portions of the pane,
• that the intermediate element of each sash member comprises engagement means configured to form a structural connection with the inner element in one of at least two distinct positions in the height direction,
• wherein each intermediate element comprises a base portion extending substantially in the height direction and a head portion extending at an angle to the base portion, and wherein the base portion is provided with said engagement means on an inner surface, facing an outer surface of the inner elements,
• wherein the intermediate element of the bottom sash member comprises at least one set of fittings, and
• wherein the head portion of the intermediate element of the bottom sash member is configured to be received in a slit of an inner portion of the profile element of the bottom sash member in the assembled condition of the sash.