The following are groupings of essential characteristics of a horizontal nature, which have been developed on the basis of Annexes I and II, for the application of this Regulation.
| 1. | Reaction to fire. |
| 2. | Resistance to fire. |
| 3. | External fire performance. |
| 4. | Noise absorption. |
| 5. | Release and content of dangerous substances. |
| 6. | Environmental sustainability. |