Best international practices are applicable to Greece as well. According to Presidential Decree 41/2018 FIRE PROTECTION REGULATION FOR BUILDINGS Government Gazette 80/A/2018, paragraph 6.6.2, the installation of smoke outlet devices is compulsory.
Photo Smoke Outlet Devices
These devices are connected to the fire detection system and function by releasing any smoke build-up in the building's staircase or in other critical areas into the environment. This results in improved air quality along the escape route, making the building evacuation and fire-fighters’ access easier and faster. KEMETA SA, as a pioneers in the field of passive and active fire-protection, imports and installs smoke outlet devices from foreign manufacturers.