FIELD: construction.
SUBSTANCE: present invention is aimed at a construction box comprising: an elongated body defining an inner space in which a suspension system for a functional element is mounted, and an insert located on the inverting side of the body, wherein said insert comprises heat-insulating component characterized by that insert additionally comprises reinforcing surface layer attached to heat-insulating component.
EFFECT: disclosed is a structural box for enclosing a functional element.
11 cl, 2 dwg
