Civil Engineering Reference
In-Depth Information
separating wall built in accordance
with manufacturer's instructions and
faced with various combinations of
wallboard and plank. Improved
performance (one and a half or two
hours) is also obtainable, but this
may require the use of boards of
enhanced performance.
Work on site
Inspection
Inspections of all the following points after
completion of the works will necessitate the
use of optical probes.
In addition to those listed in Chapter 6.1,
the problems to look for are:
◊
cavity barriers missing at junctions with
other elements of construction
Noise and sound insulation
A framed separating wall built with
twin facings of plank and wallboard,
and hung with a quilt of
recommended density and thickness,
should give a sound insulation of the
order of 50-55 dB.
◊
ties used to connect stud leaves are too
heavy
◊
air paths round back-to-back electrical
sockets
◊
plasterboard joints not staggered
◊
quilt suspended incorrectly
