What do I do when flex lying on sharp metal edge?
Flex Duct Connections & SupportsPolished core starter — flex/manufacturer check
Move or protect flex lying on a sharp metal edge before it cuts the jacket or liner.
Field checklist
- Find the sharp edge/contact point.
- Lift/reroute flex off the edge.
- Add approved protection/support if directed.
- Inspect jacket/liner for cuts.
- Replace/repair if damaged.
Ask foreman
This flex is resting on a sharp edge. Do you want it rerouted or protected here?
Do not
Do not let flex rub on raw metal, threaded rod, deck, or framing edges.
Why it matters
Sharp contact cuts the jacket/liner and creates hidden future failure.
Search words: flex collar support damage