Building section with window frame

A building section comprising:

• a wall;
• and
• a peripheral window case, into which a window frame is inserted, the peripheral window case is offset outwardly from a plane of the wall;
• the window case including several support sections arranged a certain distance apart and standing laterally out from the wall, each support section having a support part and an insulating part, the support part comprising a first leg with a first side surface facing the wall and a second leg, which projects from the first leg on a side opposite the first side surface, the support part is made of load-bearing material, the insulating part consists of compacted mineral wool or a rigid foam, the insulating part surrounding three sides of the second leg of the support part, and the first leg of the support part is screwed to the wall by at least one fastening element;
• the window case also comprising insulating sections consisting of compacted mineral wool or a rigid foam in areas between support sections;
• the window frame is screwed to the second legs of the support parts of the support sections by screw elements under interposition of at least one section of the insulating parts;
• and the insulating parts of the support sections and the insulating sections are arranged and configured in such a way that they bring about a substantially continuous insulation of the window frame around the window case.