Wall section forming inner side of cavity wall, contains opening for window or door

摘要

The wall section (1) contains at least one opening (7) for a window or door. The wall section comprises a rigid outer panel (2), a rigid inner panel (3) and an intermediate layer (4) of rock wool insulation. The insulation material fibres extend essentially at right angles to the wall section surface. The wall section is at least 2 metres wide and at least 2 metres long.