This standard describes three methods for the preparation of specimens, for the assessment of their fire reaction characteristics. This standard applies to all materials whose fire reaction is to be determined according to standards UNI 8456, UNI 8457, UNI 9174, UNI 9175 and UNI 9796. In the fire reaction test reports, the description of the material under examination must contain a reference to this standard together with the statement of the method used for the preparation and any deviation.