The Gantois airy structures aim to favour the light, the reflection by using the strength and the nobleness of metal, providing, if necessary, the transparency and the lightness of a sail.These ribbed and perforated plates can be made of aluminium, stainless steel or coated steel. The perforation makes it lightweight, the ribbing makes the plate stiff and gives it strength. This saves a backing construction for wall and façade cladding, partition walls and sunscreen application.