Approved Document E provides guidance on the resistance to the passage of sound in domestic buildings, in schools and flats. This guidance applies to new buildings, to alterations to pre-existing premises and to buildings being converted to flats.  

The document provides guidance on sound proofing, including the transmission of sounds between walls, ceilings, windows and floors. It covers unwanted sound travel within different areas of a building, including common areas within schools and buildings containing flats, and in-between connecting buildings.

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