[REQUEST] BS 476 Part-7

[RANA WASEEM]

Anybody having this document pls share...also tell me what does it means by CLASS 1 of BS 476:PART-7?

[ir_71]

BS 476-7:1997 Fire tests on building materials and structures Part 7. Method of test to determine the classification of the surface spread of flame of products

Author: Technical Committee FSH/21 | Size: 0.3 MB | Format: PDF | Publisher: BSI | Year: 1997 | pages: 24 | ISBN: 0580262987

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.

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