BS 476 - Revision history

Editor at 06:50, 4 April 2026

2026-04-04T06:50:18Z

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	The British Standards Institution (BSI) is the UK National Standards Body (NSB). It publishes standards and provides a range of books, self-assessment tools, conferences and training services. It also represents UK economic and social interests in European and international standards organisations.		The British Standards Institution (BSI) is the UK National Standards Body (NSB). It publishes standards and provides a range of books, self-assessment tools, conferences and training services. It also represents UK economic and social interests in European and international standards organisations.
		+
		+	Whilst elements of the BS 476 suite of standards remains relevant in some cases, and it has been sed for many years the construction industry is transitioning to the BS EN 13501 series, which is a ew, evidence-based standard for European classification. For further information regarding this standard see article BS EN 13501-1, CE marking, see CE marking in the construction industry. BS EN 13501 is available to [https://shop.bsigroup.com/ProductDetail?pid=000000000030348263 download for a fee from the BSI website].

	= Fire resistance =		= Fire resistance =
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	* International Organisation for Standardisation ISO.		* International Organisation for Standardisation ISO.

−	[[Category:DCN_Standard]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]]	+	[[Category:DCN_Commentary]] [[Category:DCN_Product_Knowledge]] [[Category:DCN_Standard]] [[Category:Definitions]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]] [[Category:Building_safety]]

Designing Buildings at 11:35, 27 February 2023

2023-02-27T11:35:20Z

Designing Buildings at 12:38, 8 January 2021

2021-01-08T12:38:18Z

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	= Fire resistance =		= Fire resistance =

−	The ~~British Standard~~ 476 dictates the appropriate fire tests for elements of structure and materials. It also grades the level of fire resistance.	+	The BS 476 suite of standards dictates the appropriate fire tests for elements of structure and materials. It also grades the level of fire resistance.

	Fire resistance is a measure of one or more of the following:		Fire resistance is a measure of one or more of the following:

Editor at 18:24, 7 January 2021

2021-01-07T18:24:19Z

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	* Fire resistance of buildings.		* Fire resistance of buildings.
	* Fire-stopping in buildings.		* Fire-stopping in buildings.
		+	* International Organisation for Standardisation ISO.

	[[Category:DCN_Standard]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]]		[[Category:DCN_Standard]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]]

Editor at 18:21, 7 January 2021

2021-01-07T18:21:45Z

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	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296643 BS 476-12:1991]. Fire tests on building materials and structures. Method of test for ignitability of products by direct flame impingement		* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296643 BS 476-12:1991]. Fire tests on building materials and structures. Method of test for ignitability of products by direct flame impingement
	* [https://shop.bsigroup.com/en/ProductDetail/?pid=000000000000169312 BS 476-13:1987, ISO 5657:1986]. Fire tests on building materials and structures. Method of measuring the ignitability of products subjected to thermal irradiance		* [https://shop.bsigroup.com/en/ProductDetail/?pid=000000000000169312 BS 476-13:1987, ISO 5657:1986]. Fire tests on building materials and structures. Method of measuring the ignitability of products subjected to thermal irradiance
−	* BS 476-15:1993, ISO 5660-1:1993. Fire tests on building materials and structures. Method for measuring the rate of heat release of products	+	* [https://shop.bsigroup.com/en/productdetail/?pid=000000000000311636 BS 476-15:1993, ISO 5660-1:1993]. Fire tests on building materials and structures. Method for measuring the rate of heat release of products
−	* BS 476-20:1987. Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles)	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296644 BS 476-20:1987]. Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles)
−	* BS 476-21:1987. Fire tests on building materials and structures. Methods for determination of the fire resistance of load bearing elements of construction	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296645 BS 476-21:1987]. Fire tests on building materials and structures. Methods for determination of the fire resistance of load bearing elements of construction
−	* BS 476-22:1987. Fire tests on building materials and structures. Methods for determination of the fire resistance of non-load bearing elements of construction	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296646 BS 476-22:1987]. Fire tests on building materials and structures. Methods for determination of the fire resistance of non-load bearing elements of construction
−	* BS 476-23:1987. Fire tests on building materials and structures. Methods for determination of the contribution of components to the fire resistance of a structure	+	* [https://shop.bsigroup.com/en/productdetail/?pid=000000000001298318 BS 476-23:1987]. Fire tests on building materials and structures. Methods for determination of the contribution of components to the fire resistance of a structure
−	* BS 476-24:1987, ISO 6944:1985. Fire tests on building materials and structures. Method for determination of the fire resistance of ventilation ducts	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296647 BS 476-24:1987, ISO 6944:1985]. Fire tests on building materials and structures. Method for determination of the fire resistance of ventilation ducts
−	* BS 476-31.1:1983. Fire tests on building materials and structures. Methods for measuring smoke penetration through doorsets and shutter assemblies. Method of measurement under ambient temperature conditions	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296648 BS 476-31.1:1983]. Fire tests on building materials and structures. Methods for measuring smoke penetration through doorsets and shutter assemblies. Method of measurement under ambient temperature conditions
−	* BS 476-32:1989. Fire tests on building materials and structures. Guide to full scale fire tests within buildings	+	* [https://shop.bsigroup.com/en/ProductDetail/?pid=000000000000204873 BS 476-32:1989]. Fire tests on building materials and structures. Guide to full scale fire tests within buildings
−	* BS 476-33:1993, ISO 9705: 1993 Fire tests on building materials and structures. Full-scale room test for surface products.	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296649 BS 476-33:1993, ISO 9705:1993]. Fire tests on building materials and structures. Full-scale room test for surface products.

	= Relationship to BS EN 13501 =		= Relationship to BS EN 13501 =

Editor at 18:17, 7 January 2021

2021-01-07T18:17:03Z

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	There is an extensive list of current standards for structure and materials covered by different sections of BS 476, including:		There is an extensive list of current standards for structure and materials covered by different sections of BS 476, including:

−	* BS 476-3:2004. Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs	+	* [https://shop.bsigroup.com/en/ProductDetail/?pid=000000000030152151 BS 476-3:2004]. Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs
−	* BS 476-4:1970. Fire tests on building materials and structures. Non-combustibility test for materials	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296640 BS 476-4:1970]. Fire tests on building materials and structures. Non-combustibility test for materials
−	* BS 476-6:1989+A1:2009. Fire tests on building materials and structures. Method of test for fire propagation for products	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296641 BS 476-6:1989+A1:2009]. Fire tests on building materials and structures. Method of test for fire propagation for products
−	* BS 476-7:1997. Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296639 BS 476-7:1997]. Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products
−	* BS 476-10:2009. Fire tests on building materials and structures. Guide to the principles, selection, role and application of fire testing and their outputs	+	* [https://shop.bsigroup.com/en/productdetail/?pid=000000000030147205 BS 476-10:2009]. Fire tests on building materials and structures. Guide to the principles, selection, role and application of fire testing and their outputs
−	* BS 476-11:1982. Fire tests on building materials and structures. Method for assessing the heat emission from building materials	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296642 BS 476-11:1982]. Fire tests on building materials and structures. Method for assessing the heat emission from building materials
−	* BS 476-12:1991. Fire tests on building materials and structures. Method of test for ignitability of products by direct flame impingement	+	* [https://shop.bsigroup.com/ProductDetail/?pid=000000000030296643 BS 476-12:1991]. Fire tests on building materials and structures. Method of test for ignitability of products by direct flame impingement
−	* BS 476-13:1987, ISO 5657:1986. Fire tests on building materials and structures. Method of measuring the ignitability of products subjected to thermal irradiance	+	* [https://shop.bsigroup.com/en/ProductDetail/?pid=000000000000169312 BS 476-13:1987, ISO 5657:1986]. Fire tests on building materials and structures. Method of measuring the ignitability of products subjected to thermal irradiance
	* BS 476-15:1993, ISO 5660-1:1993. Fire tests on building materials and structures. Method for measuring the rate of heat release of products		* BS 476-15:1993, ISO 5660-1:1993. Fire tests on building materials and structures. Method for measuring the rate of heat release of products
	* BS 476-20:1987. Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles)		* BS 476-20:1987. Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles)

Editor at 18:12, 7 January 2021

2021-01-07T18:12:22Z

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	* BS 476-33:1993, ISO 9705: 1993 Fire tests on building materials and structures. Full-scale room test for surface products.		* BS 476-33:1993, ISO 9705: 1993 Fire tests on building materials and structures. Full-scale room test for surface products.

−	= Relationship to BS EN 13501~~<br />~~	+	= Relationship to BS EN 13501 =
−	=	+

	Performance in terms of the fire resistance to be achieved by elements of structure, doors and other forms of construction is classified in accordance with BS EN 13501, excluding power, control and communications (which are covered by BS EN 13501-6).		Performance in terms of the fire resistance to be achieved by elements of structure, doors and other forms of construction is classified in accordance with BS EN 13501, excluding power, control and communications (which are covered by BS EN 13501-6).
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	* Construction products.		* Construction products.
	* Floorings.		* Floorings.
−	* Linear pipe thermal insulation products.~~<br />~~	+	* Linear pipe thermal insulation products.
−		+

	= Related articles on Designing Buildings Wiki =		= Related articles on Designing Buildings Wiki =

−	* Combustibility
	* Approved Document J.		* Approved Document J.
		+	* British Standards Institution BSI.
	* BS EN 13501-1.		* BS EN 13501-1.
		+	* Combustibility.
	* Fire resistance of buildings.		* Fire resistance of buildings.
	* Fire-stopping in buildings.		* Fire-stopping in buildings.

	[[Category:DCN_Standard]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]]		[[Category:DCN_Standard]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]]

Editor: Created page with "= Introduction = The British Standards Institution (BSI) is the UK National Standards Body (NSB). It publishes standards and provides a range of books, self-assessment tools, co..."

2021-01-07T18:10:29Z

Created page with "= Introduction = The British Standards Institution (BSI) is the UK National Standards Body (NSB). It publishes standards and provides a range of books, self-assessment tools, co..."

New page

= Introduction =

The British Standards Institution (BSI) is the UK National Standards Body (NSB). It publishes standards and provides a range of books, self-assessment tools, conferences and training services. It also represents UK economic and social interests in European and international standards organisations.

= Fire resistance =

The British Standard 476 dictates the appropriate fire tests for elements of structure and materials. It also grades the level of fire resistance.

Fire resistance is a measure of one or more of the following:

* Resistance to collapse (loadbearing capacity), which applies to loadbearing elements only, denoted R in the European classification of the resistance to fire performance.
* Resistance to fire penetration (integrity), denoted E in the European classification of the resistance to fire performance.
* Resistance to the transfer of excessive heat (insulation), denoted I in the European classification of the resistance to fire performance.
* Fire resistance is measured in minutes. This relates to time elapsed in a standard test and should not be confused with real time.

= Elements of structure and materials =

There is an extensive list of current standards for structure and materials covered by different sections of BS 476, including:

* BS 476-3:2004. Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs
* BS 476-4:1970. Fire tests on building materials and structures. Non-combustibility test for materials
* BS 476-6:1989+A1:2009. Fire tests on building materials and structures. Method of test for fire propagation for products
* BS 476-7:1997. Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products
* BS 476-10:2009. Fire tests on building materials and structures. Guide to the principles, selection, role and application of fire testing and their outputs
* BS 476-11:1982. Fire tests on building materials and structures. Method for assessing the heat emission from building materials
* BS 476-12:1991. Fire tests on building materials and structures. Method of test for ignitability of products by direct flame impingement
* BS 476-13:1987, ISO 5657:1986. Fire tests on building materials and structures. Method of measuring the ignitability of products subjected to thermal irradiance
* BS 476-15:1993, ISO 5660-1:1993. Fire tests on building materials and structures. Method for measuring the rate of heat release of products
* BS 476-20:1987. Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles)
* BS 476-21:1987. Fire tests on building materials and structures. Methods for determination of the fire resistance of load bearing elements of construction
* BS 476-22:1987. Fire tests on building materials and structures. Methods for determination of the fire resistance of non-load bearing elements of construction
* BS 476-23:1987. Fire tests on building materials and structures. Methods for determination of the contribution of components to the fire resistance of a structure
* BS 476-24:1987, ISO 6944:1985. Fire tests on building materials and structures. Method for determination of the fire resistance of ventilation ducts
* BS 476-31.1:1983. Fire tests on building materials and structures. Methods for measuring smoke penetration through doorsets and shutter assemblies. Method of measurement under ambient temperature conditions
* BS 476-32:1989. Fire tests on building materials and structures. Guide to full scale fire tests within buildings
* BS 476-33:1993, ISO 9705: 1993 Fire tests on building materials and structures. Full-scale room test for surface products.

= Relationship to BS EN 13501<br />
=

Performance in terms of the fire resistance to be achieved by elements of structure, doors and other forms of construction is classified in accordance with BS EN 13501, excluding power, control and communications (which are covered by BS EN 13501-6).

Specifically, the following products are covered under BS EN 13501-1 (within their end use):

* Construction products.
* Floorings.
* Linear pipe thermal insulation products.<br />

= Related articles on Designing Buildings Wiki =

* Combustibility
* Approved Document J.
* BS EN 13501-1.
* Fire resistance of buildings.
* Fire-stopping in buildings.

[[Category:DCN_Standard]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]]

← Older revision		Revision as of 11:35, 27 February 2023
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	There is an extensive list of current standards for structure and materials covered by different sections of BS 476, including:		There is an extensive list of current standards for structure and materials covered by different sections of BS 476, including:

−	* ~~[https://shop.bsigroup.com/en/ProductDetail/?pid=000000000030152151~~ BS 476-3:2004]. Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs	+	* BS 476-3:2004. Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296640~~ BS 476-4:1970]. Fire tests on building materials and structures. Non-combustibility test for materials	+	* BS 476-4:1970. Fire tests on building materials and structures. Non-combustibility test for materials
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296641~~ BS 476-6:1989+A1:2009]. Fire tests on building materials and structures. Method of test for fire propagation for products	+	* BS 476-6:1989+A1:2009. Fire tests on building materials and structures. Method of test for fire propagation for products
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296639~~ BS 476-7:1997]. Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products	+	* BS 476-7:1997. Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products
−	* ~~[https://shop.bsigroup.com/en/productdetail/?pid=000000000030147205~~ BS 476-10:2009]. Fire tests on building materials and structures. Guide to the principles, selection, role and application of fire testing and their outputs	+	* BS 476-10:2009. Fire tests on building materials and structures. Guide to the principles, selection, role and application of fire testing and their outputs
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296642~~ BS 476-11:1982]. Fire tests on building materials and structures. Method for assessing the heat emission from building materials	+	* BS 476-11:1982. Fire tests on building materials and structures. Method for assessing the heat emission from building materials
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296643~~ BS 476-12:1991]. Fire tests on building materials and structures. Method of test for ignitability of products by direct flame impingement	+	* BS 476-12:1991. Fire tests on building materials and structures. Method of test for ignitability of products by direct flame impingement
−	* ~~[https://shop.bsigroup.com/en/ProductDetail/?pid=000000000000169312~~ BS 476-13:1987, ISO 5657:1986]. Fire tests on building materials and structures. Method of measuring the ignitability of products subjected to thermal irradiance	+	* BS 476-13:1987, ISO 5657:1986. Fire tests on building materials and structures. Method of measuring the ignitability of products subjected to thermal irradiance
−	* ~~[https://shop.bsigroup.com/en/productdetail/?pid=000000000000311636~~ BS 476-15:1993, ISO 5660-1:1993]. Fire tests on building materials and structures. Method for measuring the rate of heat release of products	+	* BS 476-15:1993, ISO 5660-1:1993. Fire tests on building materials and structures. Method for measuring the rate of heat release of products
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296644~~ BS 476-20:1987]. Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles)	+	* BS 476-20:1987. Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles)
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296645~~ BS 476-21:1987]. Fire tests on building materials and structures. Methods for determination of the fire resistance of load bearing elements of construction	+	* BS 476-21:1987. Fire tests on building materials and structures. Methods for determination of the fire resistance of load bearing elements of construction
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296646~~ BS 476-22:1987]. Fire tests on building materials and structures. Methods for determination of the fire resistance of non-load bearing elements of construction	+	* BS 476-22:1987. Fire tests on building materials and structures. Methods for determination of the fire resistance of non-load bearing elements of construction
−	* ~~[https://shop.bsigroup.com/en/productdetail/?pid=000000000001298318~~ BS 476-23:1987]. Fire tests on building materials and structures. Methods for determination of the contribution of components to the fire resistance of a structure	+	* BS 476-23:1987. Fire tests on building materials and structures. Methods for determination of the contribution of components to the fire resistance of a structure
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296647~~ BS 476-24:1987, ISO 6944:1985]. Fire tests on building materials and structures. Method for determination of the fire resistance of ventilation ducts	+	* BS 476-24:1987, ISO 6944:1985. Fire tests on building materials and structures. Method for determination of the fire resistance of ventilation ducts
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296648~~ BS 476-31.1:1983]. Fire tests on building materials and structures. Methods for measuring smoke penetration through doorsets and shutter assemblies. Method of measurement under ambient temperature conditions	+	* BS 476-31.1:1983. Fire tests on building materials and structures. Methods for measuring smoke penetration through doorsets and shutter assemblies. Method of measurement under ambient temperature conditions
−	* ~~[https://shop.bsigroup.com/en/ProductDetail/?pid=000000000000204873~~ BS 476-32:1989]. Fire tests on building materials and structures. Guide to full scale fire tests within buildings	+	* BS 476-32:1989. Fire tests on building materials and structures. Guide to full scale fire tests within buildings
−	* ~~[https://shop.bsigroup.com/ProductDetail/?pid=000000000030296649~~ BS 476-33:1993, ISO 9705:1993]. Fire tests on building materials and structures. Full-scale room test for surface products.	+	* BS 476-33:1993, ISO 9705:1993. Fire tests on building materials and structures. Full-scale room test for surface products.

	= Relationship to BS EN 13501 =		= Relationship to BS EN 13501 =
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	* Linear pipe thermal insulation products.		* Linear pipe thermal insulation products.

−	= Related articles on Designing Buildings ~~Wiki~~ =	+	= Related articles on Designing Buildings =

	* Approved Document J.		* Approved Document J.