mechanical resistance and stability (italian version)

safety in case of fires (italian version)

hygiene, health, environment (italian version)

protection against noise(italian version)

sound-insulating power of tile components (italian version)

saving of energy and heat retention (italian version)

heat bridges(italian version)

heat-insulation (italian version)

heat inertia (italian version)

permeability to steam (italian version)

statics of masonries (italian version)

statics of floors (italian version)