Apprentice answer

How do I install a cleanout access door in a welded grease duct

3rd YearGrease Duct & Specialty ExhaustStop / Verify

The access door assembly must be constructed of the same material and thickness as the duct (16-gauge steel or 18-gauge stainless). It must use high-temperature, liquid-tight gaskets rated for at least 1,500 ∘ F (815 ∘ C).

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Plain-English answer

Install the door on the top or sides of the duct-never on the bottom horizontal surface where liquid grease pools.

Field checklist

Stop and verify the approved detail, manufacturer instructions, foreman direction, and project specs before touching it.
The access door assembly must be constructed of the same material and thickness as the duct (16-gauge steel or 18-gauge stainless). It must use high-temperature, liquid-tight gaskets...
Install the door on the top or sides of the duct-never on the bottom horizontal surface where liquid grease pools.

Ask Foreman

Hey boss, I’m on specialty duct and need verification before I touch this: How do I install a cleanout access door in a welded grease duct? 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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