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

Approved Document D

1992 edition incorporating 2002, 2010 and 2013 amendments: Valid from 6 April 2013

PDF file: 135 KB, 10 pages

The requirements in this edition of Approved Document D are 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

2013 amendments to the Approved Documents

Valid from 6 April 2013

PDF file: 478 KB, 54 pages

Approved Document D – 1992 edition incorporating 2002 and 2010 amendments

Valid from 1 October 2010 until 6 April 2013

The requirements in this edition was:
D1 – Cavity insulation

PDF file: 301 KB, 8 pages

2010 amendments to the Approved Documents and Compliance Guides

Valid from 1 October 2010 until 6 April 2013

PDF file: 124 KB, 4 pages

Approved Document D – 1992 edition incorporating 2002 amendments

Valid from 1 January 2001 until 1 October 2010

The requirements in this edition was:
D1 – Cavity insulation

PDF file: 254 KB, 12 pages

Approved Document D – 1992 edition

Valid from 1 June 1992 until 1 January 2001

The requirements in this edition was:
D1 – Cavity insulation

PDF file: 2.44 MB, 6 pages

Approved Document D – 1985 edition

Valid from 11 November 1985 until 1 June 1992

The requirements in this edition was:
D1 – Cavity insulation

PDF file: 768 KB, 7 pages