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  • BSI
    BS 476-7:1997 Fire tests on building materials and structures - Method of test to determine the classification of the surface spread of flame of products
    Edition: 2014
    $435.35
    / user per year

Description of BS 476-7:1997 2014

This Part of BS 476 specifies a method of test for measuring the lateral spread of flame along the surface of a specimen of a product orientated in the vertical position under opposed flow conditions, and a classification system based on the rate and extent of the spread of flame. It provides data suitable for comparing the end-use performances of essentially flat materials, composites or assemblies, which are used primarily as the exposed surfaces of walls or ceilings.

Annex A gives guidance to operators carrying out this method of test. Annex B discusses the effect of thermal characteristics on the performance of assemblies and gives advice on the construction and preparation of test specimens. Annex C gives information on the validation of this method.

NOTE The test results relate only to the behaviour of the test specimens of the product under the particular conditions of test; they are not intended to be the sole criterion for assessing the potential fire hazard of the product in use.



Standard NumberBS 476-7:1997
TitleFire tests on building materials and structures - Method of test to determine the classification of the surface spread of flame of products
StatusConfirmed
Publication Date2014-03-31
ReplacesBS 476-7:1987
CorrectsBS 476-7:1997
DescriptorsFlame-spread classifications, Walls, Fire safety in buildings, Test specimens, Dimensions, Ceilings, Design, Construction systems parts, Fire-test classifications, Structural fire protection, Fire tests, Construction materials, Test equipment, Specimen preparation, Calibration, Radiation, Testing conditions, Classification systems, Surface spread of flame
ICS13.220.50 Fire-resistance of building materials and elements
CommitteeFSH/21
ISBN978 0 580 85682 2
PublisherBSI
Pages24

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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