Independent lining made up of a structure of galvanised sheet steel profiles over T-47/T-45 profiles vertical elements) and Clip U track (horizontal elements), on whose interior side, the profiles need to be braced using standard reach brackets, leaving a space between the structure and the wall of a minimum of 10 mm. On the exterior side of this structure, one or more Pladur® plasterboards are screwed on. Commensurate amounts of Pladur® materials: screws, compounds, joint tape, watertight/acoustic perimeter joints, etc., as well as anchors for Clip U track, etc. Completely finished with Quality Level 1 (Q1) for tile finishes, laminates, furring, etc. Also with Level 2 (Q2), Level 3 (Q3), Level 4 (Q4), according to the surface finish (to be determined by the design). Core of each Pladur® structure filled completely with mineral wool. Installed according to Pladur® recommendations, UNE 102043 Standard and CTE requirements.