When the Grease Hits the Fan
This guide examines common causes of rooftop exhaust fan grease, including equipment gaps, aging seals, cleaning splatter, aspiration, and inadequate
Rooftop Equipment & Grease Control
Kitchen exhaust grease does not stop at the hood. It moves through the duct and can reach the rooftop fan, fan bowl, curb, and nearby roof surface. This collection covers practical ways to manage grease at the top of a commercial exhaust system.Learn what crews clean on accessible upblast fans, why hinge kits and safe fan access matter, and how grease containment can support roof-area care. The articles also discuss visible belt, restraint, wiring, and fan concerns that may appear during service. Cleaning is not the same as equipment repair, but a clear service report can help a facility team decide what to address next.These resources are written for Phoenix Metro restaurant owners and facility managers who want a better view of rooftop exhaust conditions. Use them to prepare for service, review photos, and plan follow-up work with the right qualified provider.