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Page 18
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 12.
Figure 10: Shallow roof space
Figure 11: SteelFlex
™
duct recommended installation
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
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