Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services