Aluminium extrusions are used in commercial and domestic buildings for window and door frame systems, curtain walls, exterior cladding, balustrades, roofing, awnings, blinds, gutters and down pipes, fencing, wall panels, partitions, heating and ventilation, scaffolding, ladders as well as many architectural applications. Furthermore, extrusions are also used in transport for airframes, road and rail vehicles and in marine applications. There are a wide range of other applications including electrical appliances, lighting equipment and sporting goods.