Flex Listing And Where It's Allowed

Is flex allowed here per code/spec, and what listing?

I'm checking flex listing and where it's allowed at [location]. I found Using non-listed/too-long flex where restricted. Is flex allowed here per code/spec, and what listing?

Flex Duct, Boots, Collars & Grilles 2nd Year RED

Stop if

Hold point on flex listing and where it's allowed: I have the location, photo, drawing/detail/spec section, and what I checked. Who should verify before this gets cut, drilled, sealed, supported, connected, controlled, or covered?

Watch out

Use flex where code prohibits it

Check

room/grid/area
photo of condition
drawing/detail/spec/submittal
what I already checked
what is blocking progress

Say this to your foreman

14611 flex listing and where it's allowed flex duct red 2 is flex allowed here per code/spec, and what listing? i'm checking flex listing and where it's allowed at [location]. i found using non-listed/too-long flex where restricted. is flex allowed here per code/spec, and what listing? flex allowed ul 181 listing, class 0/1, plenum rated, length limits in rated areas

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