Apprentice answer

When do I need to use isolation pads on my duct hangers

1st YearHangers, Supports & AnchorsStop / Verify

Isolation pads (vibration rubber/neoprene) are required when hanging ductwork in sound-sensitive commercial environments (like theaters, schools, or hospitals) or directly connected to high-vibration air handling equipment to stop acoustic transfer through the structure.

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Plain-English answer

Field checklist

Stop and verify the approved detail, manufacturer instructions, foreman direction, and project specs before touching it.
Isolation pads (vibration rubber/neoprene) are required when hanging ductwork in sound-sensitive commercial environments (like theaters, schools, or hospitals) or directly connected to...

Ask Foreman

Hey boss, I’m on hangers & supports and need verification before I touch this: When do I need to use isolation pads on my duct hangers? Do you want me to stop here and check the approved detail, submittal, or inspector/manufacturer requirement 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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