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BS 476-3:2004

BS 476-3:2004

Current

Current

The latest, up-to-date edition.

Fire tests on building materials and structures Classification and method of test for external fire exposure to roofs

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-04-2007

Publisher

British Standards Institution

Committees responsible
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Three stage test method incorporating burning brands,
   wind and supplementary radiant heat
Annex A (informative) - Apparatus for roof test
Annex B (informative) - Intensity of radiated heat on
        specimen
Annex C (normative) - The testing and classification
        of roof lights, roof windows and integrated
        panels for external fire exposure

Provides test that are designed to enable measurement of: a) capacity of a representative section of a roof to resist penetration by fire when the external surface is exposed to radiation and flame; and b) distance of the spread of flame on the outer surface of the roof covering under certain conditions.

The tests given in this British Standard are designed to enable measurement of: capacity of a representative section of a roof to resist penetration by fire when the external surface is exposed to radiation and flame; and distance of the spread of flame on the outer surface of the roof covering under certain conditions. Roofs are graded according to the angle at which they are tested, the time for which they resist penetration by fire, and the distance of superficial spread of flame on their external surface. #An additional test for rooflights is given in Annex C.$

Committee
FSH/22/-/8
DevelopmentNote
Supersedes BS 476-3(1975) and 03/109613 DC. (06/2004) Supersedes 06/30152150 DC. (04/2007)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

BS EN 13238:2010 Reaction to fire tests for building products. Conditioning procedures and general rules for selection of substrates
BS EN 13501-1 : 2007 FIRE CLASSIFICATION OF CONSTRUCTION PRODUCTS AND BUILDING ELEMENTS - PART 1: CLASSIFICATION USING DATA FROM REACTION TO FIRE TESTS

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Hardcopy - English
PDF - English
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