4. Classification of reaction-to-fire performance of construction products

Where the conditions of final application of a construction product are such that it contributes to the declaration and spread of fire and smoke in the room (or zone) of origin or beyond, the product is classified according to its reaction-to-fire characteristics, following the classification system presented in tables 5 and 6 .

Products are examined on the basis of their end-use application. If classification based on the harmonized tests and criteria listed in tables 5 and 6 is not adequate, one or more reference scenarios (representative tests characterizing predefined scenarios) may be used, in the context of the European...