UNE-EN 13501-2:2009+A1:2010 Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services
2023UNE-EN 13501-2:2023 Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance and/or smoke control tests, excluding ventilation services
2019UNE-EN 13501-2:2019 Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services
2010UNE-EN 13501-2:2009+A1:2010 Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services