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Last edited 01 Nov 2021
Fire resistance of buildings
Approved Document B Fire Safety, Volume 2, Buildings other than dwellinghouses (2019 edition), defines fire resistance as:
- Resistance to collapse (loadbearing capacity), which applies to loadbearing elements only, denoted R in the European classification of the resistance to fire performance.
- Resistance to fire penetration (integrity), denoted E in the European classification of the resistance to fire performance.
- Resistance to the transfer of excessive heat (insulation), denoted I in the European classification of the resistance to fire performance.
- Table B3 gives the specific requirements for each element of structure.
- Table B4 sets out the minimum periods of fire resistance for elements of structure.
- Table B5 sets out limitations on the use of uninsulated fire resisting glazed elements.
- BS 476.
- BS EN 13501-1.
- Cavity barrier.
- Compartment floor.
- Dry riser.
- Escape route.
- Fire and rescue service.
- Fire blanket.
- Fire collar.
- Fire compartment.
- Fire damper.
- Fire detection and alarm systems.
- Fire door.
- Fire safety design.
- Fire-separating element.
- Fire separation.
- Firefighting route.
- Intumescent coatings.
- Intumescent strip.
- Joint fire code.
- Mastic asphalt flooring.
- Means of escape.
- Passive fire protection is a vital tool in any fire strategy.
- Place of special fire hazard.
- Protected escape route.
- Protected stairway.
- Sacrificial timber.
- Supporting construction.
- Thermoplastic material.
- Unprotected escape route.
- Wet riser.
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