Apprentice answer

What's the trick to running flex duct over a congested plumbing rack without pinching it

2nd YearFlex Duct, Boots, Grilles & DiffusersCheck first

Do not rest the raw flex duct directly across hard copper lines or threaded rods where it will crimp or eventually wear through. * Use an adjustable sheet metal saddle hanger or a piece of wide unistrut to bridge across the plumbing workspace, providing a flat platform for your flex run to glide over cleanly.

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Plain-English answer

Field checklist

Do not rest the raw flex duct directly across hard copper lines or threaded rods where it will crimp or eventually wear through. * Use an adjustable sheet metal saddle hanger or a...

Ask Foreman

Hey boss, I’m checking flex duct & grilles: What's the trick to running flex duct over a congested plumbing rack without pinching it? I found the likely issue and want to verify the next step before I lock it in. Do you want me to adjust it now or check the drawing/detail first?

Verify before acting

Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

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