A roof window comprising a frame with receiving structures

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,
• the roof window furthermore comprising a plurality of mounting brackets and an insulating frame,
• characterised in that
• each frame member comprises a plurality of receiving structures at an interior, exterior, inner and/or outer side of the respective frame member, each said receiving structure being configured to interact with auxiliary equipment in an assembled condition of the frame,
• that a first receiving structure comprises a first outer groove in an outer side of the frame member,
• that said first outer groove is configured to interact with a protrusion on a piece of the insulating frame,
• that a second receiving structure comprises a second outer groove in an outer side of at least the side frame members, configured to interact with engagement means of a mounting bracket, and
• that the engagement means of the mounting bracket engage with the second outer groove, specifically also with the first outer groove.