THE INVENTION PRESENTED HERE BELONGS TO THE DOMAIN OF THE REMOVABLE THICK PARTITION WALLS. IT IS INTENDED TO DECIDE the QUESTION OF the INEXISTENCE OF a TIPOLOGIA OF THICK PARTITION WALLS WHOSE SETTINGS (OF the PANELS To the SAME one) ARE OCCULT, PRACTICAL and C長ERES. ITS MAIN APPLICATIONS ARE THE LEVEL OF REAL ESTATE SPACES, MAINLY OFFICES, STORE OR SPACES OF WORK IN GENERAL. THIS INVENTION, A NEW TYPE OF THICK PARTITION WALL OF OCCULT SETTING, IS CHARACTERIZED BY BEING CONSTITUTED BY AN ALUMINUM PROFILE (2), A PANEL (3) IN ONE OR BOTH THE FACES WITH SETTING, OF THE PANEL TO THE PROFILE, OCCULT THROUGH THE ACRYLIC FOAM RIBBON OF HIGH DOUBLE RESISTANCE FACE (1).