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BS 476-22:1987 non-loadbearing material for fire resistance
Fire tests on building materials and structures-Part 22: Method for determination of the fire resistance of non-loadbearing elements of construction
The sample exposed to high temperature and pressure conditions, the test samples within the specified time bearing weight, integrity and insulation.
BS 476-20 Focus on
1． Duration of fire resistance
2． Loadbearing capacity and impermeability
3． Insulation
4． Integrity
BS 476-22 fire resistance test time
30 minute
60 minute
90 minute
120 minute
150 minute
180 minute
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BS 476 reference standard
BS 476 Fire tests on building materials and structures.
BS 476-3:2004 external fire exposure roof test
BS 476-4:1970 Non-combustibility test for materials
BS 476-5:1979 Method of test of ignitability
BS476-6:1989 Method of test for propagation for materials
BS 476-7:1997 Surface spread of flame test for material
BS 476-11:1982 Method for assessing the heat emission from building materials
BS 476-12:1991 Ignitability of products by direct flame impingement
BS 476-15:1992 Method for measuring heat release of products-cone calorimeter
BS 476-20:1987 Method for determination of the fire resistance of elements of construction (general principles)
BS 476-21:1987 Methods for determination of the fire resistance of loadbearing elements of construction
BS 476-22:1987 Methods for determination of the fire resistance of non-loadbearing elements of construction
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Testing to：
Fire standard
