User's Manual

Page 21
Securing Flexible Duct
Flexible duct must be installed with supports at maximum intervals of 1.5 metres. Flexible ductwork can be
supported by using gaer or electrical tape. Provided that it does not restrict the internal diameter of the
ducting. Ducting installed looped over hanging beams should be installed in such a manner as to ensure the
changes of direction are gradual. Support of the ducting with the use of hangers may be require, see option 2.
NOTE: Ducting should be kept taut at all times.
Figure 16 Examples of securing ducting
Option 1
Secure the exible duct
to the beam
Option 2
Support exible duct
by using hangers.
NOTE: Care shall be
taken to minimize
sagging or snaking
of the duct between
supports.
Gaer or
electrical tape
Gaer or electrical tape
Hanger
8. Flexible Duct