Product Highlight: Access Doors

Ease of access is really important in commercial cooking operation exhaust cleaning. One of the biggest issues for maintenance professionals in the duct cleaning business is not having good access to the duct. If a duct can’t be accessed easily, the duct can’t be cleaned as easily. Because of this issue, the NFPA created a standard all commercial cooking operations have to follow. According to the NFPA Standard, “Openings shall be provided at the sides or at the top of the duct, whichever is more accessible, and at a change of direction”, and, “Openings large enough to permit thorough cleaning shall be provided at 3.7 m (12 ft) intervals”.

Omni Access Doors exceed the 1800 degree NFPA 96 Standard fire rating. Our duct access doors have a 2300-degree fire rating. That is drastically higher than the minimum requirement. They also prevent all smoke and fire up to 2700 Degrees F. We design all of our products with the goal of helping commercial cooking operations reach NFPA Standard compliance.

Omni Access Door Solutions

Why is ease of opening such an important thing to consider when selecting a duct access door? Maintenance professionals that clean ducts for commercial cooking operations often have to open access doors that require unscrewing wing nuts or other small parts while their hands are coated in grease! This means small parts slip out of their hands and fall down the ducts. Losing part of an access door is a huge issue because it means the duct is left open and the grease can leak out and cause damage. The maintenance professional may have an extra wing nut that fits the duct access door to seal it, but if they don’t you have will have multiple problems on your hands.

Omni access doors are entirely toolless. Our patented “Cam-Lock” design means there are no wing nuts to juggle with grease coated hands. Our Access Armor ^TM duct access doors can be easily opened and closed by hand. We also designed our doors to be octagon shaped in order to reduce the risk of injury to the maintenance professional cleaning the duct. No additional tools are needed while in the ceiling, no wing nuts or other hardware will go missing. You know what that means? Less damage because Omni access doors are easily closed! You won’t lose small pieces because everything is attached!

We offer duct access doors in five different sizes to meet your needs. The sizes we offer are 9”x12”, 12”x15”, 15”x18”, 23”x23” and 9”x36”. The 9”x36” was specially designed to allow for easier scraper tool access into the duct. These sizes are proportional to the most common sizes of ducts that we work with. Typically, the larger the opening, the more easily it can be accessed. Our range of sizes is meant to make cleaning the ducts of commercial cooking operations easier and faster. If you would like to find out more information, or place an order, give us a call at (877) 226-6824.

Product Highlight: Access Doors

Omni Containment Systems

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Grease Containment & the Environment: How Your Rooftop Impacts Local Water Systems

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When people think about environmental responsibility in commercial kitchens, they usually focus on what goes down the drain. But one of the most overlooked sources of pollution isn’t inside your facility, it’s on your roof. Rooftop grease runoff from kitchen exhaust systems can have a direct and damaging impact on local water systems, storm drains, and surrounding ecosystems. Without proper containment , that grease doesn’t just disappear, it travels. From Rooftop to Waterway: How Grease Becomes Pollution Commercial kitchen exhaust systems are designed to remove heat, smoke, and airborne grease particles. While hood filters capture some of that grease, a significant amount still passes through the system and accumulates in ductwork and exhaust fans. Over time, this buildup begins to drip onto the roof, spread across roofing materials, and get carried away by rainwater. Once rain hits your roof, it acts as a transport system, moving grease into gutters, downspouts, and ultimately into storm drains. Unlike sanitary sewer systems, stormwater runoff is often discharged directly into local waterways without treatment. As a result, grease from your rooftop can end up in rivers, lakes, municipal stormwater systems, and surrounding soil. Why It Matters: Environmental and Operational Risks The impact of rooftop grease runoff extends beyond a messy roof; it creates real environmental and operational concerns. Grease contains fats, oils, and contaminants that can degrade water quality. When introduced into natural water systems, it can harm aquatic life, disrupt oxygen levels, and contribute to long-term ecosystem damage. At the same time, regulatory compliance is at risk. Local and federal requirements , often tied to EPA stormwater guidelines, mandate that facilities prevent pollutants from entering storm drains. Uncontrolled grease runoff can lead to fines, failed inspections, and increased scrutiny. There are also direct impacts on your facility. Grease buildup can deteriorate roofing materials, void warranties, and create slip hazards for maintenance personnel. What begins as a rooftop issue can quickly escalate into a costly problem. The Role of Grease Containment Systems A properly designed grease containment system serves as a critical barrier between your exhaust system and the environment. Instead of allowing grease to spread across the roof, these systems capture it at the source, right at the exhaust fan's discharge. Filtration media absorbs and holds the grease, preventing runoff during rain events and reducing the risk of environmental contamination. More advanced systems incorporate multi-stage filtration, improving efficiency while reducing maintenance frequency. The result is a cleaner, safer, and more controlled rooftop environment. Sustainability Starts at the Source Environmental responsibility isn’t just about compliance; it’s about prevention . By addressing grease at the rooftop level, facilities can reduce their environmental footprint, support local water quality initiatives, and align with broader sustainability. For multi-site operators and property managers, this becomes even more important. A single poorly managed rooftop can impact not just one building, but an entire property, or even the surrounding community. Best Practices for Preventing Rooftop Grease Runoff Preventing grease runoff doesn’t require a complete overhaul, but it does require consistency and the right approach . Start by installing a high-quality grease containment system designed for durability and ease of maintenance. From there, regular maintenance is key. Filtration media should be inspected and replaced as needed to ensure the system continues performing effectively. Routine rooftop inspections can help identify buildup early, before it becomes a larger issue. Finally, working with experienced professionals ensures proper system selection and installation, setting up the foundation for long-term performance. A Small Change with a Big Impact Grease containment may seem like a small part of your operation, but its impact extends far beyond your rooftop. By taking proactive steps to manage grease runoff, you’re not only protecting your building, but you’re also helping protect your local environment and water systems. Looking to improve your rooftop grease management? Omni Containment Systems provides innovative solutions designed to keep grease where it belongs, off your roof and out of waterways.