Page 15
5. 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.
Figure 7: Shallow roof space
Figure 8: SteelFlex
™
duct recommended installation
Use 90 degree curve to
prevent crushing
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.