The concept is a wall brick system that focuses on a more sustainable use of raw materials in the construction industry and follows the theory of the circular economy. The wall is fully demountable and the bricks are reusable. The concept includes a plug-in mechanism and presents the aesthetic spectrum of the brick material in order to avoid further raw materials when cladding the wall. The plug-in mechanism favours the greatest possible design freedom and places this sustainable alternative in a positive context of use generated by the aesthetics.