Amendments Booklet AMD 7 2022 (Booklets B C E)·Page 16·5.2B
Combustibility of External Walls - Scope of Requirements
Buildings (other than those exempted under Regulation 23(4)) must achieve provisions covering external surfaces, materials and products, and cavities with cavity barriers.
The external walls of buildings other than those described in Regulation 23(4) of the Building Regulations should achieve all the provisions given in paragraphs 5.3 to 5.4B which provide guidance on all of the following –
(a) external surfaces;
(b) materials and products; and
(c) cavities and cavity barriers;
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