提供有关遵守建筑法规、处理建筑工程消防安全要求的方法的技术指南，并对2000年版批准文件B及其后续修订版中先前发布的指南进行了整合。包括警报和逃生方式、与墙壁和天花板衬里及结构相关的内部火灾蔓延、外部火灾蔓延以及消防设施的通道和设施。

Provides technical guidance on ways of complying with the Building Regulations, dealing with fire safety requirements for building work and provides a consolidation of the guidance previously issued in the original 2000 edition of Approved Document B and its subsequent amendments. Covers means of warning & escape, internal fire spread relating to wall and ceiling linings & structure, external fire spread, and access & facilities for the fire service.