TinnerFlow™3rd YearSpecialty DuctRED · Stop / 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).
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).
Install the door on the top or sides of the duct-never on the bottom horizontal surface where liquid grease pools.
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.