FIELD: construction, particularly roof covering by making use of flat or curved slabs or stiff sheets.
SUBSTANCE: fastening unit comprises overlapped ends of sheets to be connected supported by load-bearing structure. Profiled member is fastened to upper sheet by the first end and encloses load-bearing structure by the second end thereof. Load-beading structure is made as truss. The second profiled member end has cut, which conforms to cross-section of upper truss belt to be enclosed by the second end. Gap is defined between point of profiled member connection to upper sheet and lower sheet end.
EFFECT: increased lateral load-bearing structure stability and temperature strain compensation.
1 cl, 3 dwg
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