A sun louvre formed by a structure supporting an interweave of metal sheets is provided. The sun louvre includes a plurality of structural profiles and a plurality of supporting plates. The supporting plates have two perforations which are passed through by an outer tube and an inner tube. The sheets pass by a front portion of the outer tube and by a rear portion of the inner tube immediately precedent or previous with respect to the outer tube. Adjacent sheets are interwoven in an alternate manner with respect to the outer and inner tubes. Ends of the sheets have reinforcement plates from which a hook is gripped. The hook has a stud fixed thereto that is enclosed by a spring that tensions the sheets.