These are individual metal panels that are joined together by seaming or stitching their male and female flanges in pairs, forming a roofing system.
It can be fastened to concrete or metal structures and may feature either a slight or a pronounced curve (camber).
The panel used is made of Aluzinc or pre-painted steel, with gauges available in 20, 22, 24, or 26. Both the degree of curvature and the gauge to be used depend on the span to be covered, which can range from 6.0 to a maximum of 28.0 meters.