S to indicate whether the test results apply to a flat horizontal or an inclined roof system, respectively. This part of bs 476 3 has been prepared by subcommittee fsh22 8. Bs 47620 fire resistance of load bearing elementsbritish standard preface the objective of determining fire resistance, as described in the part and the associated parts of bs 476, is to assess the behaviour of a specimen of an element of building construction when subjected to defined heating and pressure conditions. The purpose of bs476 part 24 1987 and iso6944 1985 is to. This standard has been superseded by the current bs en 661, bs en 668 and bs en 669, but it has been retained based on a legitimate need for the standards within noneu markets. Roof systems shall be designated by the letters ext. This has led to bs 476 part 24 being superseded and having incorporated corrigendum no.
The test results relate only to behaviour of the test specimens of the product. Introduction this report presents an assessment to determine the anticipated fire resistance performance of currently ul classified dfr2 product, if subject to testing in accordance with bs. Bs 4766 fire test to building material standard brief this part of bs 476 specifies a method of test, the result being expressed as a fire propagation index, that provides a comparative measure of the contribution to the growth. Fire resistance o current approach is fire resistance ingberg s. This part of bs 4763 has been prepared by subcommittee fsh228. The method for rigid or semirigid materials or composites. Bs 476 fire tests on building materials and structures. Publisher information british standards institution. Main body of apparatus main body of apparatts clamping frame shwn.
Methods for determination of the contribution of components to the fire resistance of a structure british standard detailed test requirements for the contribution made by suspended ceilings to beams and by intumescent seals to doorsets and shutter assemblies. The general changes made to the methods described in this part compared with bs 4768 are described in the foreword to bs 47620. Fire test center will provide british standard bs 4767 surface flammability test to. Fire tests on building materials and structures method of test for fire propagation for products 2. Bs 476 22 has been prepared under the direction of the fire standards committee, and describes the procedures for determining the fire resistance of nonloadbearing elements of building construction. The test was performed in accordance with the procedure specified in bs 476. Part 3 ul 2079, canulcs115, astm e1966 bs 47620 glass flat glass, profiled glass and glassblock products en 16341 ul 9, canulcs106 bs 47622 glass coated glass en 16341 en 10965 ul 9 bs 47622 glass thermally toughened soda lime silicate safety glass en 16341 en 121503 ul 9 bs 47622. This part should be read in conjunction with bs 476 20 which describes the general principles for these methods. Method of test for fire propagation for products bs 4766.
Building materials fire tests and certification tested. Fire tests on building materials and structures part 6. This report in issued in accordance with our terms and conditions, a copy of which is available on request. This document was uploaded by user and they confirmed that they. However the british standard 476 dictates the appropriate fire tests for these elements of structurematerials and grades the level of fire resistance. Postflashover compartment fire princeton university. Recommended ifc guidelines for evaluating firestop system. Flat plate section aa clamping frame in closed position with specimen in. Bs 47622 has been prepared under the direction of the fire standards committee, and describes the procedures for determining the fire resistance of nonloadbearing elements of building construction. Test methods and criteria for the fire resistance of elements of building construction amd 1873.
Product standards flameshield fireduct is fully compliant with bs 476 part 24 flameshield products have been fully tested in accordance with bs 476 part 24. This method of test, the result being expressed as a fire propagation index, provides a comparative measure of the contribution to the growth of fire made by an essentially flat material. This report should be read in conjunction with the above mentioned documents. Other tests being studied may result in the issue of further parts. Method for assessing the heat emission from building materials bs 47612. Flat plate section aa clamping frame in closed position with specimen in situ. With over 100 years of experience the british standards institute is recognised as the uks national standards body. The following is reproduced from clause 4 of bs 476. Method of test to determine the classification of the surface spread of flame of products bs 47611. Flameshield fireduct, fire rated ductwork, bs 476 part 24. This version of the report has been produced from a pdf format electronic file that has been. Fire tests on building materials and structures part 7. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing.
Practical fire safety guidance for existing nonresidential premises. Some additional guidelines were adopted from the european document referenced bs en 664, relating to the testing of these types of sealing systems. Dec 15, 2017 the procedures adopted for the original test bs 476. Secure pdf files include digital rights management drm software.
This version of the report has been produced from a pdf format electronic file that has been provided by. This part should be read in conjunction with bs 47620 which describes the general principles for these methods. Their committees work with the manufacturing and service industries, government, businesses. The tests described in this part of bs 476 are designed to give information concerning the hazard that exists of fires spreading to the roof of a building from. Fire tests on building materials and structures part 11. Fire resistance tests for elements of building construction.
It provides data suitable for comparing the performances of. The procedures adopted for the original test bs 476. Bs 476 part 7 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. Classification and method of test for external fire exposure to roofs. All bsi british standards available online in electronic and print formats. Introduction this report presents an assessment to determine the anticipated fire resistance performance of currently ul classified dfr2 product, if subject to testing in accordance with bs 476. Building materials fire tests and certification tested in. Appendix a gives guidance and background information which will assist the designer and the testing laboratory to select and evaluate specimens that are representative of in use situations.
To achieve class 0 a product must achieve class 1 in the part 7 test and also pass the part 6 test. Fire resistance test in accordance with bs476 part 22 1987 on a single. Part 3 ul 2079, canulcs115, astm e1966 bs 476 20 glass flat glass, profiled glass and glassblock products en 16341 ul 9, canulcs106 bs 476 22 glass coated glass en 16341 en 10965 ul 9 bs 476 22 glass thermally toughened soda lime silicate safety glass en 16341 en 121503 ul 9 bs 476 22. Fire tests on building materials and structurespart 5. The test produces a fire rating of class 1, 2, 3 or 4 depending upon how far a flame travels over a coated surface. The fire test methods bs 476 parts 6 and 7 measure different characteristics of fire performance. Torero university college london united kingdom lecture 5.
Reaction to fire tests ignitability of building products subjected to. Page 8 of 9 table 2 laboratory record sheet fire propagation test bs 476. Prior to the tests, all of the specimens were conditioned to constant mass at a temperature of 23 2c and a relative humidity of 50 5%. Test methods and criteria for the fire resistance of elements of building construction amd 1873 amd 3816 amd 4822 no longer current but cited in building regulations guidance publication year 1972 document status. Bs 47620 fire tests on building materials and structures.