The latest generation bricks proposed by Catania Group allow the creation of perimeter walls which, depending on the thermotechnical requests, can prevent the executing companies from completing the wall with thermal insulation. Produced in different thicknesses and with different percentages of holes, the block most used today is the one with nominal dimensions 40x25x24.5 cm (drilling> 60%), a non-load-bearing block designed to best solve the thermal and acoustic problems of class houses TO.