The system functions are as follows:
- limit heat loss, sound transmission and air flow,
steam flow and condensation formation;
- let the sun's heat penetrate in winter, while ensuring summer comfort.
- protect against bad weather, such as rain, snow and wind;
- contribute to limiting the spread of fire in accordance with regulations
applicable to the building;
- provide ventilation and air change when required;
- ensure safety against falls for occupants;
- ensure smoke extraction if required;
- allow the entry of emergency services (firemen) when required