EF-96 for reinforcement or pre-stressing.

In the light of the increasing use of EPS overhangs, they are explicitly included in the EF-96 standard, replacing the previous EF-88.

Section 3.– Conditions of beam layout pieces.

3.1 Lightening pieces
The lightening pieces can be made of ceramic material, concrete, expanded polystyrene or other sufficiently rigid materials that do not cause damage to concrete or frameworks. These pieces are not considered to form a part of resistant section of the rafters.

All beam layout pieces are capable of supporting a characteristic load of 1.0 kN, uniformly distributed across a plate of 200 x 75 x 25 mm, situated in the most unfavourable area of the piece and its reaction to fire behaviour will reach a classification of at least of M-1, in accordance with the UNE 23.727/90 standard.

3.2 Resistant pieces
The beam layout pieces can be made of ceramic material or concrete and will meet the conditions indicated for the lightening pieces in section 3.1.

NBE-CT-79, conditions for fire protection of buildings.

Art. 16.– Conditions for the materials

16.1 Lining materials used in evacuation routes
The materials used as linings or surface finishes in corridors, stairways and areas on evacuation routes must belong to the class indicated in table 2 or higher.

16.2 Materials included in walls and enclosures
When a material that constitutes a layer contained inside a floor, wall or roof is of a more unfavourable class than required for lining these construction materials, the layer or set of layers located between this material and the lining must be at least RF-30.

16.3 Other materials
The materials placed on the inside of suspended ceilings or raised floors, which are used for thermal insulation and soundproofing, and those that constitute or line air-conditioning and ventilation ducts, must belong to class M-1, or higher.

R.16.3 Residential use
The materials used as linings or surface finishes in rooms used for accommodation must have a classification of at least M-3, in the case of floors and M-2 in the case of walls and roofs. Curtains and other decorative elements must be class M-1.