THE BUILDING, INCLUDING 12 UNITS, WAS BUILT IN THE EARLY 60S. A NUMBER OF KEY ACTIONS HAVE BEEN TAKEN TO RETRAIN THE BUILDING. ENERGY EFFICIENCY OF THE BUILDING; REHABILITATION OF THE FACADES; CREATING A NEW LIFT.\ NLE WALLS WILL BE ISOLATED BY A 20 CM LAYER OF ROCK WOOL. A PERIMETER THERMAL INSULATION IN XPS SHALL BE APPLIED TO THE HOOF IN ACCORDANCE WITH THE CELLAR OF THE CELLAR. THE EXISTING LATERECING ROOF AND ITS PLACE WILL BE COVERED BY A FLAT LAYER WITH AN EXTENSIVE GREEN FINISH, THERE WILL BE TWO INSULATING LAYERS IN THE ROOF OF THE UPPER ROOF (JUST UNDER THE GREEN ROOF PANEL) OF 20 CM OF XPS AND THEN AN ADDITIONAL INSULATING LAYER BETWEEN THE NEW WOODEN SLAB (X-LAM) AND THE PRE-EXISTING SOLVO IN LATERO CONCRETE CONSISTING OF 30 CM FILLING WITH ROCK WOOL PANELS. THE FLOOR IS ISOLATED FROM THE FLOOR IN ISOLATION WITH A THICKNESS OF