FIELD: construction.
SUBSTANCE: fastening element comprises a fastening portion having a base surface and fastening holes, a main protruding portion having a contact surface in contact with the first to fourth outer members, a supporting portion, upper and a lower engaging portions attached to the supporting portion, a lower protruding portion and a straight portion protruding from the lower protruding portion and located on the centre line of the fastening portion between the first and third outer members. One of the fastening holes closest to the central line is displaced from the centre line. Fastening holes are located asymmetrically relative to central line. First distance, on which protrudes the main protruding section, is more than the second distance, on which protrudes the lower protruding section. Distance from base surface to forward end of straight section is greater than first distance. Embodiment of fastener and outer structure of building are also described.
EFFECT: invention relates to a fastening element for external elements and an external structure of a building.
8 cl, 25 dwg
