Pivot Hinge Arms: Omni’s Solution to Tricky Tapered Duct Fans

This fall, safeguard your restaurant with NFPA 96-compliant fire safety upgrades. Omni Containment Systems offers Super Hinges, grease containment solutions, and VISIOMAX inspections to protect kitchens before the busy holiday season.

Discover how the right equipment, like Tegras and Tecai systems from Omni Containment Systems, can boost efficiency, ensure safety, and drive business growth for kitchen exhaust cleaning professionals.

In a commercial kitchen, the focus is often on what’s in plain sight: clean counters, properly functioning appliances, and seamless service. But hidden just above the kitchen line — in the ductwork of the exhaust system — are critical risks that can’t afford to be ignored. One of the most significant yet overlooked contributors to kitchen fires is poor duct access. Without proper access, routine cleaning becomes incomplete or impossible, allowing dangerous grease buildup to persist unchecked. These hazards can ignite in a flash, threatening lives, destroying property, and leading to costly downtime. In addition, failure to maintain accessible duct systems can violate fire codes and invalidate insurance coverage. If your kitchen exhaust system isn’t fully accessible, the consequences can be far more than just inconvenient — they can be catastrophic. Why Duct Access is a Fire Safety Essential Grease, fats, and oils naturally accumulate inside the ducts of every kitchen exhaust system. Over time, these residues form a flammable layer that can ignite if exposed to high heat or an errant spark. Restricted airflow from clogged or partially blocked ducts can also reduce the efficiency of your system, driving up energy use and maintenance needs. Recognizing these risks, the National Fire Protection Association (NFPA) established clear standards in NFPA 96, which requires access doors to be installed every 12 feet and at every duct turn. These doors provide critical entry points for cleaning crews to properly inspect and remove grease deposits. Without them, even the most skilled technicians can’t reach key areas — leaving behind fire hazards that remain out of sight and out of reach. A Smarter Solution: Omni’s Access Armor™ Meeting NFPA requirements is just the beginning. At Omni Containment Systems, we’ve designed our Access Armor™ doors to go beyond code — combining ease of use with exceptional fire resistance to keep kitchens safer and maintenance teams more efficient. Unlike traditional access doors that require tools or involve loose parts, Access Armor™ features a Cam-Lock mechanism that secures the door without extra hardware. This toolless design means faster access for maintenance and no risk of misplacing small pieces during cleanings. It’s a system built for the fast pace and high standards of modern commercial kitchens. The construction of Access Armor™ is just as impressive. These octagon-shaped doors are fire-rated up to 2,300°F, exceeding the NFPA 96 standard of 1,800°F, and they can withstand temperatures of up to 2,700°F. This enhanced durability is crucial not only for safety but also for minimizing long-term maintenance and reducing potential liability. Cleaning Plans That Reinforce Safety While access doors are foundational, a comprehensive cleaning and inspection plan is equally important. Grease buildup inside ducts should never exceed 0.002 inches (50 microns). Measuring this accurately — and consistently — helps you schedule cleaning before that threshold is crossed. Omni makes this easy with our stainless-steel grease comb , a simple but powerful tool that allows your team to check grease depth on the spot. This proactive approach ensures you're never left guessing whether it's time for professional cleaning. For most commercial kitchens, professional duct cleanings are recommended every six to twelve months, depending on cooking volume and equipment type. In addition, components like filters and containment tray pads should be inspected and replaced every three to six months to ensure optimal performance and containment of grease particles before they reach the ductwork. By combining hardware, monitoring tools, and a regular service cadence, you not only improve fire safety but also increase the efficiency and lifespan of your entire exhaust system. The Cost of Noncompliance — And the Power of Prevention Neglecting duct access doesn’t just increase fire risk — it can lead to code violations, fines, and higher insurance premiums. In some cases, an insurance claim following a fire may be denied if the system was found to be noncompliant or improperly maintained. Investing in the right equipment and practices today can prevent costly consequences tomorrow. Omni Containment Systems offers a full suite of solutions designed to make compliance easy and intuitive. Our products are built to exceed industry standards, giving your team the tools they need to perform safe, thorough maintenance on schedule. Bringing the Hidden Risks Into View In the world of kitchen safety, what you don’t see can hurt you. Poor duct access allows grease to build silently, turning your exhaust system into a ticking time bomb. But with the right access doors, cleaning tools, and maintenance strategy, you can eliminate those risks before they become real threats. Omni Containment Systems provides everything you need to take control of your kitchen exhaust safety. With Access Armor™, grease monitoring tools, and expert guidance, you can ensure that your ducts are clean, your kitchen is compliant, and your business is protected — from the inside out. Ready to take the first step toward safer ducts and fewer fire hazards? Contact us today to learn more about our products and compliance solutions.

In our ongoing case study series, we’ve learned that when it comes to rooftop fan installations, there’s one crucial standard that can’t be ignored: the 60% rule. At Omni Containment Systems, we’ve seen firsthand how using a hinge that spans at least 60% of a fan base can be the difference between a safe, long-lasting installation and a dangerous, costly failure. In this month’s blog, we’re sharing two incidents—the “Damaged Fan Base” and the “Micro-Hinge”—that highlight just how important it is to follow this simple but critical guideline. Read on to see how these real-world examples underscore the importance of the 60% rule—and how following it can protect your rooftop equipment and the people who work on it. Let’s dive in.

In the bustling world of commercial kitchens, safety, compliance, and cleanliness are non-negotiable. Behind the scenes, one group of professionals is critical to maintaining these standards but often goes unrecognized—kitchen exhaust cleaners. At Omni Containment Systems , we understand and deeply value the essential work these specialists do. That’s why our products are purposefully designed not only to meet stringent regulations like NFPA 96 and EPA standards, but also to enhance the efficiency and safety of the professionals responsible for implementing them.

This Earth Day, Omni Containment Systems highlight a critical yet often overlooked aspect of environmental protection — preventing grease pollution through effective containment solutions.

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Grease buildup in kitchen exhaust systems is an unavoidable challenge—one that affects everything from small restaurants to massive industrial kitchens. Maintaining clean, grease-free ductwork isn’t just about aesthetics; it’s a critical step in fire prevention, regulatory compliance, and overall efficiency. That’s where Omni Containment Systems steps in as the exclusive U.S. distributor of the TEGRAS Concept , a game-changing solution designed to tackle grease accumulation with cutting-edge technology.

Compliance with the NFPA 96 Standard is a critical step in managing the risks associated with fats, oils, and grease (FOG) in restaurant operations. This standard, which addresses the design, installation, operation, and maintenance of commercial kitchen ventilation systems and grease removal devices, serves as a foundational guideline. However, it does not comprehensively cover every aspect of FOG management. For instance, when grease escapes through kitchen exhaust systems or is improperly disposed of, it can create significant environmental challenges.