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Spiral, Round Duct & Couplings

Crimp End And Airflow Direction

Assembling against airflow so joints catch dust/leak

Green / Field Check1stBatch 5

What This Helps With

Assembling against airflow so joints catch dust/leak

Apprentice words: crimp end

Trade terms: crimped end, male/female, airflow direction

Check First

Crimp/male end direction relative to airflow

What Not To Do

Reverse crimp on the trunk

What can go wrong: Fighting the crimp the wrong way

Better Foreman Question

Which way does airflow run so I set the crimp right?

Open In Ask Foreman

Verify With

Reference type: foreman direction

Source to verify: Field convention; foreman

Safe wording: Simple convention; note some assemblies differ.

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