Last edited 04 Nov 2019

External wall

Brick wall.jpg

Approved document C, Site preparation and resistance to contaminants and moisture, suggests that a wall is: 'Any opaque part of the external envelope of a building that is at an angle of 70° or more to the horizontal.'

An external wall is a wall forming the external enclosure of a building.

Approved document B, Fire Safety, Volume 2, Buildings other than dwellinghouses (2019 edition), suggests that the external wall of a building includes all of the following:

[edit] Related articles on Designing Buildings Wiki

Designing Buildings Anywhere

Get the Firefox add-on to access 20,000 definitions direct from any website

Find out more Accept cookies and
don't show me this again
"