It is implemented through a metallic substructure made from vertical profiles. Over these profiles, panels are fixed. The aforementioned panels are made from a double-layer aluminium sheet that includes a thermoplastic resin core.
There is a variety of anchoring systems for these panels: on trays, attached or riveted.
The main advantages of this material are its flat properties, the possibility of use large formats and its wide variety of colours that can be customized.