British Standard: BS476-20 – Fire resistance testing of building materials

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The following content will explain the fire resistance test standard BS 476-20 for building materials:

 BS 476-20 Fire resistance test of building materials – Standard name:

• BS 476-20 Fire Testing of Building Materials and Building Components – Part 20. Method for determination of fire resistance of building elements (General Principles

• Fire Tests on Building materials and structures – Part 20. Method of test for determination of the fire resistance of elements of construction (General principles)

BS 476-20 Fire resistance testing of building materials - Overview of the standard

• BS 476-20 is mainly used to evaluate the fire resistance of building materials under high temperature conditions. It is mainly used for non-combustible materials, such as gypsum boards, ceilings, suspended ceilings, partition walls and partitions, etc.

relevant test standards

• BS 476 : Fire testing of building materials and structures

• BS 476-3 : Fire test of building materials and components - Fire test of exposed parts of roof

• BS 476-4 : Fire testing of building materials and structures - Material non-flammability testing

• BS 476-5 : Test method for flammability of building materials

• BS 476-6 : Fire testing of building materials and components. Part 6: Test methods for fire spread of products

• BS 476-7 : Fire testing of building materials and components. Part 7: Test methods for determining the surface spread classification of product flames

• BS 476-11 : Fire test of building materials and components. Part 11: Determination method of thermal radiation of building materials

• BS 476-12 : Fire test of building materials and components. Part 12: Test method for flammability of products in direct contact with flames

• BS 476-13 : Fire test of building materials and components Part 13: Test method for flammability of products exposed to thermal radiation

• BS 476-15 : Fire testing of building materials and structures - Test method for product heat release rate

• BS 476-20 : Fire resistance testing of building materials and components. Part 20: Test methods for fire resistance of building components (general principles)

• BS 476-21 : Fire resistance testing of building materials and components. Part 21: Test methods for fire resistance of load-bearing components

• BS 476-22 : Fire test method for non-loaded building elements

• BS 476-23 : Fire test of building materials and components. Part 23: Test method for the contribution of components to the fire resistance of components

• BS 476-24 : Fire testing of building materials and components. Part 24: Test methods for fire resistance of ventilation ducts

• BS 476-31.1 : Fire testing of building materials and components - Method of measurement of smoke penetration through door and window assemblies. Measurement method at room temperature

• BS 476-33 : Fire testing of building materials and structures - Physical indoor testing of surface products