The Approved Document B addresses fire safety and has been split into two volumes. Volume 1 deal with dwelling houses and Volume 2 deals with buildings other than dwelling houses. It covers the following:

  • Means of warning and escape 
  • Internal fire spread (linings)
  • Internal fire spread (structure)
  • External fire spread
  • Access and facilities for the fire service
Stock Photography - Fire Protection - Room - Red Interior


Every year, there are more than 7000 reported fires in dwellings (e.g. houses, flats and maisonettes) and more than 3000 reported fires in non-domestic buildings in Scotland. The standards and guidance in the fire safety section of the technical handbook (domestic) and technical handbook (non-domestic) are designed to work together to provide a balanced approach to fire safety. The purpose of the guidance in Section 2 is to achieve the following objectives in the case of an outbreak of fire within the building:

  • to protect life
  • to assist the fire and rescue services
  • to further the achievement of sustainable development.

Areas covered include compartmentation, structural protection, cavities, internal linings and more.

Stock Photography - Linear Gaps and Seals


Approved Document B gives guidance for fire safety compliance with the Building Regulations for building work carried out in Wales. It has been published in two volumes. Volume 1 deals solely with dwelling houses, while Volume 2 deals with all other types of building covered by the Building Regulations. Where very large (over 18m in height) or unusual dwelling houses are proposed, some of the guidance in Volume 2 may be needed to supplement that given by Volume 1.

Stock Photography - Building Structure

Republic of Ireland (ROI)

The provisions set out in Sections B1 to B5 of the Technical Guidance Document B, deal with different aspects of fire safety. The five sections are:

  • Means of escape in case of fire
  • Internal fire spread (linings)
  • Internal fire spread (structure)
  • External fire spread
  • Access and facilities for the fire service
Read ROCKWOOL Guidance
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Northern Ireland

Technical Booklet E (Fire Safety) is one of a series that has been prepared by the Department of Finance and Personnel (the Department) for the purpose of providing practical guidance with respect to the technical requirements of the Building Regulations (Northern Ireland) 2012 (the Building Regulations) and covers the following:

  • Means of escape
  • Internal fire spread – Linings
  • Internal fire spread – Structure
  • External fire spread
  • Facilities and access for the Fire and Rescue Service
Read ROCKWOOL Guidance
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