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Page 19
6. SteelFlex
™
Safety Duct
Shallow Roof Space
In shallow roof spaces, do not crush or kink SteelFlex
™
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 10.
Important Note
Please do not crush or kink SteelFlex
™
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.
90 degree curve PVC or
galvanise curve
250mm exible ducting
DO NOT reduce ducting size.
Figure 10: Shallow roof space
Figure 11: SteelFlex
™
duct recommended installation
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