
NFPA 96 Grease Thickness Rules Explained: What Section 12.6.1.1 Actually Requires
COMPLIANCE & REGULATIONS One sentence of NFPA 96 governs how often your kitchen exhaust system gets inspected — and one section governs when it needs cleaning. Most operators have heard “quarterly” or “every six months” and stopped there. The full rule is more useful, and it lives in Section 12.6.1.1










