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Flex Duct, Boots, Collars & Grilles

Supporting Boots And Drops

Boot resting on grid, cracked tile, sagging flex

Yellow / Check First1stBatch 5

What This Helps With

Boot resting on grid, cracked tile, sagging flex

Apprentice words: boot hanger

Trade terms: boot support, drop support, independent support

Check First

Independent support so grid carries no duct weight

What Not To Do

Zip-tie a boot to a sprinkler line

What can go wrong: Letting ceiling grid carry the boot

Better Foreman Question

Does this boot need its own hanger off structure?

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Verify With

Reference type: SMACNA

Source to verify: SMACNA support; ceiling coordination

Safe wording: Independent support; never load ceiling grid or other trades.

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