
Rooftop Grease Containment Solutions for 2026 | Omni Containment Systems
Stop the Bucket Madness: Smarter Rooftop Grease Control Starts Now
It’s a new year, and there’s no better time to leave outdated rooftop grease solutions behind. At Omni Containment Systems, we’ve seen it all, from overfilled buckets to chafing dishes turned grease traps. While we applaud the resourcefulness, we have to say it: buckets and kitchenware do not belong on your roof.
This January, let’s upgrade the way we think about rooftop grease control. Whether you’re a KEC professional, facility manager, or restaurant operator, using the right containment system isn’t just a code-compliance issue, it’s a matter of safety, efficiency, and long-term cost savings.
The Bucket Problem: More Trouble Than It’s Worth
Buckets might seem like a quick fix when your fan’s standard grease box starts to overflow, but they create more problems than they solve.
Overflow is inevitable. Unless you're climbing up daily to empty it, a bucket will eventually spill, especially when it rains. Rainwater mixes with grease and fills the bucket faster than you think. Once full, it spills onto your rooftop, causing environmental hazards, attracting pests, and deteriorating roof membranes.
They don’t absorb anything. Buckets collect both grease and water indiscriminately. What you’re left with is a foul-smelling, flammable soup waiting to overflow and destroy your roof.
They invite animals and bugs. Grease emits strong odors that can attract rodents, raccoons, and insects. And yes, we’ve even seen animals tip the buckets over trying to get inside.
They look unprofessional. Whether it’s an industrial bucket, an old chafing dish, or a “borrowed” container from the kitchen, these quick fixes are a red flag for inspectors and a liability for property managers.
The Right Way: Grease Filters and Hydrophobic Containment Systems
Omni Containment Systems offers a smarter approach to rooftop grease control, one that absorbs grease, repels water, and fits your specific fan setup.
Our grease filters are specially engineered to absorb grease, not water. That means no overflow, no sludge, and no mess when it rains. They’re built to be durable, flame-resistant, UV-tolerant, and easy to change. They’re also designed to neutralize odors and keep animals away from the fan area.
There are three filter formats to choose from. Pillow Filters work best for most fan-mounted grease boxes. Boom Filters are used in solutions like the Grease Gutter. Flat Filters are ideal for the Roof Guardian and other specialty setups.
Smarter Systems for Real-World Rooftop Challenges
Depending on your grease output and roof configuration, Omni offers four proven solutions to eliminate the need for buckets and provide year-round peace of mind.
The Grease Box is a rugged, weatherproof containment unit made from 22-gauge galvanized sheet metal. It fits seamlessly with your upblast exhaust fan and includes slide-out trays with absorbent grease pillows. It also features overflow protection walls and a hydrophobic design that allows rainwater to escape easily. This is a perfect choice for facilities looking to replace a failing or undersized factory grease box.
The Grease Gutter is a compact, UL-approved system with a low profile. It uses a single Fill-More Boom Filter that can absorb up to 10 times its weight in grease while letting rainwater flow through. It’s ideal for rooftops with limited space or systems with light-to-moderate grease output. Changing the filter is quick, clean, and easy.
The Roof Guardian is a higher-capacity system designed for more demanding environments. It features the same boom-style filters as the Grease Gutter, but with more interior space and extended grease stop walls to prevent overflow. This is a great option for kitchens with heavy output or limited access to rooftop maintenance.
The Exhaust Fan Interceptor (EFI) is the only filter-free solution on the market that captures grease while fully processing rainwater and allowing for wastewater recovery. It can hold up to one gallon of oil and over seven gallons of liquid, making it ideal for rugged rooftops or high-volume kitchens with limited maintenance resources.
Make Grease Control One Less Thing to Worry About in 2026
The new year is the perfect time to evaluate your current system and leave messy, makeshift solutions behind. If your grease box is rusted out or your filters haven’t been changed in months, Omni makes it easy to upgrade. Whether you need replacement filters or an entirely new containment solution, we’ll help you choose the right fit for your setup.
Let’s make 2026 the year you say goodbye to rooftop grease spills, mid-winter bucket emergencies, and preventable roof damage.
If you’re not sure where to start, our team is here to help you identify your system and recommend the best containment solution. Use our Print & Fit form to send photos and specs, or give us a call to talk through your options.
Contact us or try our Print & Fit form to get started.
Don’t Let a Bucket Decide Your Rooftop’s Fate
Grease control doesn’t have to be messy. With Omni, it’s smart, simple, and built to last.
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