Buy from BSI Download from CIS *
* A valid subscription to The Construction Information Service is required to download this document.

Click here to find out how to access this document
BS 476-4:1970 Fire tests on building materials and structures. Non-combustibility test for materials (incorporating amendments issued March 1978 (AMD 2483), September 1983 (AMD 4390) and corrigendum No. 1)

Publication Year

Document Status
Latest version of document


Determines whether materials, with or without coatings, used in construction or finishing of buildings meet the definition of non-combustibility as set out in this standard.

Document History

Amendment 2483 dated March 1978. Amendment 4390 dated September 1983 - Indicated by a sideline in the margin. Amendment C1 dated March 2014 - Information added to Foreword. This standard has been superseded by the current BS EN ISO 1182, but it has been retained based on legitimate need for the standard within non-EU markets.

Publisher Information

British Standards Institution

With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.

389 Chiswick High Road
W4 4AL

Tel: 020 8996 9000

Document Status Indicators

Green The Green document status indicator indicates that the document is:
  • (a) current in the Construction Information Service and
  • (b) the latest version - ie it does not have any other documents that replace or amend it and is promoted as a current document by the publisher.
Amber The Amber document status indicator indicates that some caution is needed when using this document - it is either:
  • (a) current in the Construction Information Service but has a document or documents that replace or amend it, so please look at the "Newer Versions" tab or
  • (b) not in the Construction Information Service but with another reason why it may be relevant to our customers such as being cited in NBS or in the Building Regulations Approved Documents. Again there may be more recent versions of the document.
Red The Red document status indicator indicates that the document is an old version
  • The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS.