Part E -Section 5
Approved Document E applies to England and
Wales only. In Scotland, Section 5 is the approved document
covering the resistance to the transmission of sound. The
requirements of Section 5 apply only to walls and floors separating
a dwelling from other parts of the same building in different
occupation and from other adjoining buildings.
The fundamental differences between
Section 5 (Scotland) and Part E (England and Wales) are as
follows:–
Section 5 (Scotland) does not have 2 sets of
performance criteria for new-build or conversion projects
Section 5 (Scotland) has no 40dB requirement
for internal partitions or mid-floors
Section 5 (Scotland) has no requirement for
sound absorption in common areas of the building
Section 5 (Scotland) measures site performance
by way of a DnTw measure only unlike Part E (England and Wales)
which also uses a Ctr – correction factor - particularly for bass
sound.
The new Robust Details (RD) initiative is not
available for use as a scheme with which to comply with the
regulation in Scotland, although some of the constructions may be
comparable to those, which can be used for compliance.
There are alternative routes with
which to comply to Section 5 (Scotland):
Deemed to
satisfy – use construction / provision details as given in Section
5 that are deemed to satisfy the standards
