Installation Guide - 2

Page 17
5. Flexible Duct
Shallow Roof Space
In shallow roof spaces, do not crush or kink exible ducting, as it will reduce air ow severely. 90 degree curve
made of PVC or galvanise can be used as a substitute for the bend, refer to gure 5.
Figure 5
Figure 6
90 degree curve PVC or
galvanise curve
Important Note
Please do not crush or kink exible ducting, as it will reduce air ow and may cause noise to occur through the
system. Ducting needs to be kept taut at all times.
250mm exible ducting
DO NOT reduce ducting size.