Approved Document D - Toxic substances

This document covers the use of insulating materials in cavity walls and the prevention of toxic fumes entering the building.

Approved Document DApproved Document D

PDF file: 301KB, 8 pages

1992 edition incorporating 2002 and 2010 amendments: Valid from 1 January 2001

Download 2013 amendments2013 Amendments

PDF file: 478KB, 54 pages

2013 amendments: Valid from 6 April 2013

Quick links

The requirement in this edition of Approved Document D is as follows:

D1 - Cavity insulation
If insulating material is inserted into a cavity in a cavity wall reasonable precautions shall be taken to prevent the subsequent permeation of any toxic fumes from that material into any part of the building occupied by people.

Limits on application
None

Archived copies of Approved Document D

Download Approved Document D 1992 edition incorporating 2002 amendmentsApproved Document D - 1992 edition incorporating 2002 amendments

PDF file: 254KB, 12 pages

Valid from 1 June 1992 until 1 December 2004

The requirements in this edition was:
D1 - Cavity insulation


Approved Document D 1992 editionApproved Document D - 1992 edition

No download currently available

Valid from 1 June 1992 until 1 December 2004

The requirements in this edition was:
D1 - Cavity insulation


Download Approved Document D 1985 editionApproved Document D - 1985 edition

PDF file: 768KB, 7 pages

Valid from 11 November 1985 until 1 June 1992

The requirements in this edition was:
D1 - Cavity insulation


Quick links to other Approved Documents

The regulations cover all aspects of construction and are constantly reviewed. The guidance documents referred to as 'Approved Documents' contain practical ways and explanations of how to comply with the functional requirements of the Building Regulations.

These 'Approved Documents' are separated into 14 parts:

  • Part A - Structure
  • Part B (Volume 1) - Fire safety (Dwellinghouses)
  • Part B (Volume 2) - Fire safety (Buildings other than dwellinghouses)
  • Part C - Site preparation and resistance to contaminants and moisture
  • Part D - Toxic substances
  • Part E - Resistance to the passage of sound
  • Part F - Ventilation
  • Part G - Hygiene
  • Part H - Drainage and waste disposal
  • Part J - Combustion appliances and fuel storage systems
  • Part K - Protection from falling, collision and impact
  • Part L1A - Conservation of fuel and power in new dwellings
  • Part L1B - Conservation of fuel and power in existing dwellings
  • Part L2A - Conservation of fuel and power in new buildings other than dwellings
  • Part L2B - Conservation of fuel and power in existing buildings other than dwellings
  • Part M (Volume 1) - Access to and use of buildings (Dwellings)
  • Part M (Volume 2) - Access to and use of buildings (Buildings other than dwellings)
  • Part P - Electrical safety - Dwellings
  • Part Q - Security - Dwellings
  • Part R - Physical infrastructure for high-speed electronic communications networks
  • Regulation 7 - Materials and workmanship