Approved Document E
Resistance to the passage of sound
About Approved Document E
Approved Document E gives guidance on resisting the passage of sound in and between buildings. It covers sound insulation between dwellings and rooms for residential purposes, sound within a dwelling, and testing before completion.
What it covers
- Sound insulation of walls and floors between dwellings
- Flanking sound that travels around separating walls and floors
- Sound insulation within a dwelling
- Reverberation in the common parts of flats and similar buildings
- Acoustic conditions in schools
- Pre-completion sound testing
Approved Document E: resistance to the passage of sound
Welsh Government