For
New Build Housing Building Regulations (England and Wales)
2000 -
Resistance to the Passage of Sound - Approved Document
E: 2003 edition.
Part E Regulations
Changes to the Building Regulations
for England and Wales require dwellings to be designed and constructed
to new standards so as to reduce the levels of transmission
of
sound between and within dwellings.
• The new Approved Document
introduces minimum performance requirements for
some partitions
and for intermediate floors.
• Robust Standard Details
(RSDs) have been developed to avoid the requirement for
pre-completion testing of dwellings at a nominal rate of 1 in 10 of new constructions.
New separating wall minimum
values for airborne sound insulation
Purpose built dwellings
45 DnTw + Ctr dB
The RSDs are designed to exceed this figure to ensure compliance.
For relevant
internal partitions
40 Rw dB
Guideline RSD solutions to meet the performace standards of building regulations without the need for routine testing are shown below
Cavity wall
using dense aggregate blockwork
A Finish 13mm
lightweight plaster
or plasterboard (8 kg/m²) on dabs on 8mm (min)
parge coat
B Blockwork 100mm
(min) dense blockwork
C Cavity 75mm
cavity
D Blockwork 100mm (min) dense
blockwork
E Finish Minimum
8mm parge* coat plus plasterboard (8 kg/m²)
on
dabs (or 13mm lightweight plaster)
Cavity wall
using lightweight aggregate blockwork
A Finish 13mm
lightweight plaster
or
minimum 8mm parge* coat plus plasterboard
on dabs (8 kg/m²)
B Blockwork 100mm (min)
lightweight blockwork
(density
1350kg/m³ - 1600kg/m³)
C Cavity 75mm
cavity
D Blockwork 100mm
(min) lightweight blockwork
(density
1350kg/m³ - 1600kg/m³)
E Finish Minimum
8mm parge* coat plus plasterboard on dabs (8 kg/m²)
(or
13mm lightweight plaster)
Cavity wall
using lightweight aggregate blockwork
A Finish Plasterboard (9.8 kg/m²) on dabs
B Blockwork 100mm (min) lightweight blockwork
(density
1350kg/m³ - 1600kg/m³)
C Cavity 75mm
cavity
D Insulation 35mm
IsoWool HiTherm RD35
E Blockwork 100mm (min) lightweight blockwork
(density
1350kg/m³ - 1600kg/m³)
F Finish Plasterboard (9.8 kg/m²) on dabs
©The
Concrete Block Association February 2004
Although the Concrete Block Association
does its best to ensure that any advice, recommendation or
information it may give is accurate, no liability or responsibility
of any kind (including liability for negligence) is accepted
in this respect by the Association, its servants or agents.
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