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External fire performance of roofs: A guide to test methods and classification

External fire performance of roofs: A guide to test methods and classification

by S Colwell and T Baker (28-Feb-2013)

£16.50

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Book Description

Following the introduction of European fire test methods for determining the external fire performance of roof systems, and CE marking under the current Construction Products Directive or the soon to be implemented Construction Products Regulation, this Digest explains the test methods for roofs, and how the test data are used to classify the external fire performance. It discusses the limitations of the classification system, and the importance of specifiers correctly interpreting the information presented to them. It will help manufacturers to provide end users with the information they need to specify roofing systems in relation to their fire performance. It also explains how fire performance classifications relate to the guidance in Approved Document B.

Contents:

Introduction
-What is a roof?
-History of fire testing of building and roofing materials
-Current fire test method: BS 476-3:2004
-How roof systems are currently tested and classified (Brand (pilot ignition source). Wind. Radiant heat. Preliminary test. Penetration and spread of flame tests)
-Classification of external fire performance of roofs to BS 476-3:2004
CE marking and roofing product standards
-Construction Products Directive and Regulation
-What are product standards, and how is external fire performance addressed?
-Overview of current test methods (Why four test methods? ENV 1187:2002 + A1:2005. Test 1 – with burning brands.
Test 2 – with burning brands and wind. Test 3 – with burning brands, wind and supplementary radiant heat. Test 4 – two-stage test method incorporating burning brands, wind and supplementary radiant heat
Classification systems
-European classification
-Deemed to satisfy and CWFT
-What the classification documents tell you
-What the classification documents do not tell you
-Extending the classification to different applications
Approved Document B and how the classification systems are used
Third-party approvals
References

Format:

A4 12pp

0 line drawings, 6 photos

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