What do I do when inner liner pulled loose after diffuser is moved?
Flex Duct Connections & SupportsPolished core starter — flex/manufacturer check
If the diffuser moved and pulled the liner loose, reopen the connection and redo it correctly.
Field checklist
- Check liner at diffuser/boot collar.
- Look for jacket hiding a loose liner.
- Re-seat and secure/seal liner.
- Support the connection so movement does not pull it again.
- Ask if boot needs repositioning.
Ask foreman
The diffuser move pulled the liner loose. Do you want this connection redone before close-up?
Do not
Do not tape the jacket and leave the liner loose.
Why it matters
Finish adjustments often break weak flex connections.
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