Cleaning Access
The fan and upper duct area must be safely reachable to inspect and clean accessible grease accumulation.
ROOFTOP EXHAUST FAN ACCESS
A properly selected hinge assembly can improve access to compatible upblast fans and reduce the need to set the fan housing directly on the roof during service.

The fan and upper duct area must be safely reachable to inspect and clean accessible grease accumulation.
A compatible hinge setup can help keep the fan assembly controlled instead of resting it on roofing materials.
Installation must account for wiring, service loops, disconnects, restraint, and the fan manufacturer’s requirements.
Not every fan uses the same hardware. Selection and installation should account for fan size, curb, roof conditions, wiring, manufacturer instructions, and applicable local requirements.
Photos of the fan, curb, wiring, roof area, and existing hardware help determine whether an on-site review is appropriate.
A hinge kit is not automatically required or suitable for every fan solely because NFPA 96 applies to the facility. Confirm the current adopted code and equipment requirements for the specific installation.
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