What do I do when using tape alone as mechanical connection?
Flex Duct Connections & SupportsPolished core starter — flex/manufacturer check
Tape alone is not the mechanical connection. The liner needs approved mechanical securement and sealing.
Field checklist
- Expose the collar.
- Check whether clamp/screw/band is required.
- Secure liner mechanically as directed.
- Seal with approved method.
- Pull jacket back after liner is correct.
Ask foreman
This flex was only taped. What mechanical connection do you want on the liner/collar?
Do not
Do not use tape as the only thing holding flex to the collar.
Why it matters
Tape can peel or fail under movement, temperature, and time.
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