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BEAM P
LUS FOR
E
XISTING
B
UILDINGS
I
NDOOR
E
NVIRONMENTAL
Q
UALITY
(I
EQ
)
V
ERSION
1.2
I
EQ
20 N
OISE
I
SOLATION
Copyright © 2012 BEAM Society Limited. All rights reserved.
Page 145
for legislation elsewhere.
The extent to which walls and floor can attenuate unwanted noise from
neighbours and neighbouring spaces is an important aspect of
controlling noise levels in interiors. Ventilation openings, doors, etc., are
likely to be the weakest part of the envelope enclosing a space as far as
airborne noise transmission is concerned.