FIELD: construction.
SUBSTANCE: invention relates to the field of construction, in particular, to a roof or wall panel. The building panel comprises a hollow lengthy structure, which has a rectangular cross-section profile. The lengthy structure comprises the first and second sheets of external lining, which are connected as substantially parallel to the first and second side walls. The connecting facility is created on each side wall, at the same time adjacent panels may be connected to each other side by side to create a segment of a wall or a roof. The lengthy structure additionally comprises the third inner sheet in the form of a link that stretches between the first and second side walls to separate the inner volume of the lengthy structure into two chambers. The panel is preferably made of polycarbonate.
EFFECT: increased stiffness and improvement of heat insulating and sound insulating properties of a panel.
29 cl, 6 dwg
