When To Use Metal Instead Of Flex

Does the spec allow flex here or does it want metal?

I'm checking when to use metal instead of flex at [location]. I found Flex where metal is required by spec/length. Does the spec allow flex here or does it want metal?

Flex Duct, Boots, Collars & Grilles 1st Year BLUE

Stop if

Hold point on when to use metal instead of flex: 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

Replace specced metal with flex

Check

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

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14612 when to use metal instead of flex flex duct blue 1 does the spec allow flex here or does it want metal? i'm checking when to use metal instead of flex at [location]. i found flex where metal is required by spec/length. does the spec allow flex here or does it want metal? flex or metal flex vs metal, hard duct required

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