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Last edited 01 Dec 2021
BS EN 13501-1
The British Standards Institution (BSI) is the UK National Standards Body (NSB). It publishes standards and provides a range of books, self-assessment tools, conferences and training services. It also represents UK economic and social interests in European and international standards organisations.
BS EN 13501-1 Fire classification of construction products and building elements, is the classification that enables certain products to be CE marked. It was originally published as BS EN 13501-1:2007+A1:2009 and was updated in 2018.
 Fire protection ratings
Fire reaction achieved by elements of structure, doors and other forms of construction is classified in accordance with BS EN 13501-1, excluding power, control and communications (which are covered by BS EN 13501-6).
- 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.
- BS EN ISO 1182 - Non-combustibility test.
- BS EN ISO 1716 - Heat of combustion test.
- BS EN 13823 Single - Burning item test.
- BS EN ISO 9239-1 - Radiant panel test (floorings only).
- BS EN ISO 11925-2 - Single-flame source test
- Main classification (indicated by a letter from A to F with A1 being the highest classification and F being the lowest).
- Smoke classification (indicated by the alphanumeric combination s1, s2 or s3 with s1 the highest and s3 the lowest).
- Flaming droplet classification (indicated by the alphanumeric combination d0, d1 or d2 with d0 the highest and d2 the lowest).
- ACM cladding.
- Approved Document B.
- Approved documents.
- British Standards Institution BSI.
- BS EN 3.
- BS 7974.
- BS 9999: Code of practice for fire safety in the design, management and use of buildings.
- Building regulations.
- CE marking in the construction industry
- Fire in buildings.
- Mastic asphalt flooring.
- Material of limited combustibility.
- Non-combustible material.
- The role of codes, standards and approvals in delivering fire safety.
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