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Requirements are set for the fire resistance and fire prevention, amongst others, of buildings intended for habitation. Despite these performance requirements it has turned out from various building projects that some questions still remain about the way in which these requirements can be satisfied, especially for high walls in production halls etc. The values for fire resistance of calcium silicate have been determined in fire tests in accordance with NEN 6068 or 6069.
| Wall thickness |
Fire resistance |
67 mm |
45 min. |
| 100 mm |
90 min. |
| 120 mm |
120 min. |
| 150 mm |
200 min. |
| 214 mm |
360 min. | |
The fire resistance of this wall thickness has been determined mathematically.
The details above may be used for walls up to 3 m high.
Please contact the Building Engineering Advice department for the fire resistance of walls higher than 3 m.
Construction of movement joints
Detailing of dilations where the fire resistance is at least the same as the fire resistance of the wall. Including fire resistance achieved on sealing. If requirements are set for noise it is recommended that these joints are finished with a sealant that remains elastic.
Anchoring for calcium silicate fire walls
In the event of fire, the plastic anchors melt on the fire side, which means that the steel structure on this side can collapse without damaging the fire wall.
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