TinnerFlow™4th YearGrease Duct & Specialty ExhaustStop and Get Direction
Smoke/heat exhaust equipment must maintain the listed clearance around hot equipment. Hold the install and verify the nameplate/submittal before lowering, shifting, or coordinating removal of combustible material.
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Smoke evacuation equipment may operate in extreme heat during an emergency. If it is too close to combustible construction, that is not a normal “make it fit” problem.
Check the equipment nameplate, submittal, approved layout, and nearby materials. Hold the install if clearance is not met. Recovery may mean lowering/relocating the fan, revising supports, or having the GC move combustible framing outside the listed clearance.
Use this as training guidance. Foreman direction, approved drawings, project specs, manufacturer instructions, employer safety policy, and AHJ/code requirements always control the final answer.