What do I do when flex twisted and airflow restricted?
Flex Duct Connections & SupportsPolished core starter — flex/manufacturer check
Twisted flex restricts the liner. Untwist and route it naturally before connecting or supporting.
Field checklist
- Check if the liner spirals/twists.
- Disconnect/reposition if needed.
- Keep the run relaxed and smooth.
- Support after it sits naturally.
- Recheck collar after moving it.
Ask foreman
This flex looks twisted and restricted. Do you want me to reroute it before connecting?
Do not
Do not fight twisted flex into place.
Why it matters
Twisting reduces effective area and stresses the liner.
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