Solar roof forming element, a plurality of which may at least partially form a roof which closes an opening of a building, comprising an elongate polymer roof plate having an exterior and an interior side, an elongate cover for covering the exterior side of the roof plate, connected to the roof plate, so as to define an interior space of the roof forming element between the cover and the roof plate, and coupling means for coupling the roof forming element in use to a further, neighbouring roof forming element of said plurality of roof forming elements extending in parallel to the roof forming element, the roof forming element comprising a plurality of elongate, wire shaped metal reinforcement elements incorporated within the roof plate and/or within the cover, distributed over the width of the roof forming element and extending along the length of the roof forming element.