Buildings: Insulation

(asked on 18th March 2019) - View Source

Question to the Department for Levelling Up, Housing & Communities:

To ask the Secretary of State for Housing, Communities and Local Government, pursuant to the Answer of 15 March 2019 to Question 231479 on Buildings: Insulation, where in regulations issued before the Grenfell Tower fire it is made clear that cladding is considered as a filler material.


Answered by
Kit Malthouse Portrait
Kit Malthouse
This question was answered on 21st March 2019

Requirement B4 of Schedule 1 to the Building Regulations 2010 requires that the external walls of a building shall adequately resist the spread of fire over the walls. This provision has been in place since 1985. The approved document gives guidance on how these requirements may be met. Paragraph 12.5 of Volume 2 of Approved Document B sets out that the external envelope of the building should not provide a medium for fire spread if it is likely to be a risk to health and safety. Paragraph 12.5 also says that the use of combustible materials in the cladding system and extensive cavities may present such a risk in tall buildings. The provisions relating to limited combustibility in paragraph 12.7 of the Approved Document B have, since the version published in 2006, included references to insulation products, filler material etc.

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