This European Standard specifies the performance requirements and the corresponding test methods for all natural stone setts used for external paving and road finishes. External paving use includes all pavements typical of road works, such as pedestrian and trafficked areas, outdoor squares and similar to be used in an outdoor condition that are subject to the weathering agents, such as temperature changes, rain, ice, wind, etc. This European Standard provides also for the evaluation of conformity and for marking of the natural stone setts. This European Standard also covers characteristics that are of importance to the trade.