Compartimentage

Un compartimentage efficace est le meilleur moyen de circonscrire un incendie et d'en éviter la propagation dans le reste du bâtiment. Promat offre aux architectes, ingénieurs et installateurs des plaques incombustibles pour plafonds, sols et cloisons, qui sont faciles à installer et garantissent la résistance au feu de la construction.

Compartimentage

Floors: Design Considerations

Floors: Design Considerations

Floors should normally be tested or assessed in accordance with local regulations such as BS 476: Part 21: 1987 in the UK and are required to satisfy the three failure criteria of loadbearing capacity, integrity and insulation when exposed to fire from below.

Loadbearing concrete floors supported by steel beams and protected with a suspended ceiling should be tested or assessed to BS 476: Part 23: 1987 or a locaal equivalent.

The following points should be considered when determining the correct specification to ensure a timber floor will provide the required fire performance:

  • Timber joist width
  • Timber joist depth
  • Timber joist spacing
  • Timber flooring
  • Suspended ceilings
  • Light fittings
  • Service penetrations
  • Cavity barriers
  • Engineered timber joists
The following points should be considered when determining the correct specification to ensure a concrete floor slab will provide the required fire performance:

  • Concrete density
  • Concrete moisture content
  • Concrete thickness and cover to reinforcing bars
  • Supporting steelwork
  • Light fittings
  • Service penetrations
  • Cavity barriers
  • Type of fire exposure
  • Concealed grid suspended and membrane ceilings
Chapter 4 of the Fire Protection Handbook provides examples of system specifications for a range of applications and required fire protection periods. Additional system details are available in the Technical Data Sheets.

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Fire Protection Handbook
Fire Protection Handbook
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