Commercial Kitchen Fires – Causes, Consequences, And Solutions

Commercial Kitchen Fires

Commercial Kitchen Fires – Causes, Consequences, And Solutions

Commercial kitchens, the bustling nerve centres of many businesses, demands a delicate balance of efficiency and safety. While the focus often lies on the culinary arts, a critical oversight can lead to disastrous consequences. The commercial kitchen exhaust system, if neglected, can become a ticking time bomb.

As of Feb 2024, there were 384 fires due to unattended cooking making up the largest proportion of fires in residential buildings.

source: SCDF Annual Statistics 2023

Grease buildup, faulty installation, or deferred maintenance can transform a thriving kitchen into a hazardous zone. We’ll be sharing a closer look into the root causes of commercial kitchen fires, their devastating repercussions, and essential strategies to prevent these catastrophic events.


1. Commercial Kitchen Fires: Causes

a) Grease Buildup:

One of the primary causes of fires in commercial kitchen exhaust systems is the accumulation of grease and oil residues. Commercial kitchens, especially high-volume ones, deal with massive amounts of cooking oil, fat, and other flammable substances. Over time, these substances can collect inside the exhaust system’s ducts, hoods, and filters. If not cleaned regularly, they become a serious fire hazard. A single spark from the stove can ignite the grease buildup, leading to a dangerous and rapidly spreading fire. Regular cleaning is vital to prevent such accidents.

b) Clogged Filters:

Filters in a commercial kitchen exhaust system are designed to capture grease and other particles before they enter the ducts. However, over time, these filters can become clogged with grease, dust, and debris, which impedes proper ventilation. When air cannot circulate efficiently, it leads to excessive heat buildup. Clogged filters also restrict the exhaust system’s ability to remove smoke and steam, making it more likely that flammable grease vapors will accumulate in the system, significantly raising the risk of fire.

c) Improper Installation:

Incorrect and/or poor installation of a commercial kitchen exhaust system is another common fire risk. If the system is improperly installed, it can lead to insufficient airflow, which causes the system to overheat. This creates the perfect environment for fires to start. Additionally, improperly installed systems may have structural weaknesses that can contribute to fires spreading more rapidly. Ensuring that the exhaust system is installed by professionals following industry standards and regulations is crucial for fire prevention.

d) Lack of Maintenance:

Like any mechanical system, a commercial kitchen exhaust requires regular maintenance. Without proper upkeep, grease buildup and clogged filters become inevitable. Moreover, over time, components of the exhaust system, such as fans and ducts, can wear down or become damaged, increasing the risk of fire. Regular inspections and timely repairs are critical in ensuring the system functions safely and efficiently, minimizing the risk of fire outbreaks.


2. Commercial Kitchen Fires: Consequences

a) Property Damage:

When a fire starts in a commercial kitchen exhaust system, it can quickly spread throughout the kitchen, damaging equipment, walls, and ceilings. Commercial kitchens are filled with flammable materials, and once a fire spreads beyond the exhaust system, it can cause significant structural damage to the building. Even if the fire is contained, the damage caused by smoke and water from firefighting efforts can be extensive, requiring costly repairs and replacements.

b) Business Downtime:

One of the most immediate consequences of a fire in a commercial kitchen exhaust system is the forced shutdown of the business. Fire-related closures can last for days, weeks, or even months, depending on the severity of the damage. During this time, the business loses revenue, and employees may be out of work. For many businesses, this downtime can be financially crippling, particularly for small operations that rely on daily cash flow to stay afloat.

Read more: How Does Commercial Kitchen Exhaust Cleaning Impact Businesses?

In the event of a fire, business owners can be held legally liable if it’s determined that they neglected to maintain their commercial kitchen exhaust system properly. Fire codes and regulations exist to ensure the safety of workers and customers, and failing to comply with these laws can result in lawsuits, fines, and even the permanent closure of the business. Regular maintenance and cleaning not only protect against fires but also shield business owners from costly legal ramifications.

d) Health & Safety Risks:

The health and safety of employees and customers are always at stake in commercial kitchens. A fire in a commercial kitchen exhaust system poses significant risks, including burns, smoke inhalation, and other injuries. In extreme cases, fires can lead to fatalities. Beyond the immediate physical dangers, the long-term health effects of exposure to smoke and toxic fumes can also be a concern. Properly maintaining and cleaning the exhaust system is essential to safeguarding the well-being of everyone in the kitchen.


3. Commercial Kitchen Fires: Solution

a) Regular Cleaning:

The most effective way to prevent fires in a commercial kitchen exhaust system is through regular cleaning. Professional cleaning services should be scheduled based on the kitchen’s usage and the amount of grease buildup. For high-volume kitchens, cleaning may be required as frequently as once a month, while smaller kitchens might need cleaning on a quarterly or bi-annual basis. Regular cleaning removes grease and debris, reducing the risk of fire and ensuring the exhaust system operates efficiently.

Read more: Skylane’s Commercial Kitchen Exhaust Service

b) Install Air Cleaner Systems:

Air cleaner systems can be installed in commercial kitchen exhaust systems to help break down grease and oil within the ducts. These systems work by using filters or UV light to break down grease particles, reducing the amount of buildup within the exhaust system. Installing air cleaner systems can significantly decrease the risk of fire and also improve the overall air quality in the kitchen by reducing smoke and grease vapors.

Read more: Skylane’s Commercial Air Duct Services

c) Routine Inspections:

In addition to cleaning, routine inspections of the commercial kitchen exhaust system are essential for identifying potential issues before they become major problems. Inspections should be conducted by qualified professionals who can check for damaged components, airflow issues, and other problems that could lead to fires. Regular inspections not only ensure compliance with fire codes but also extend the lifespan of the exhaust system.

d) Proper Training:

Finally, proper training for kitchen staff is a key component of fire prevention. Employees should be trained to recognize the signs of grease buildup, clogged filters, and other issues with the commercial kitchen exhaust system. They should also be familiar with fire safety protocols, including how to shut down equipment and use fire extinguishers in the event of a fire. Ensuring that the kitchen staff is knowledgeable and proactive can make all the difference in preventing fires and maintaining a safe working environment.

Read more: What Certifications Does Skylane Hold for Commercial Kitchen Exhaust Cleaning?


Conclusion

Fires in commercial kitchen exhaust systems are a serious risk for any business operating a large-scale kitchen. The causes are often preventable with regular maintenance, proper installation, and professional cleaning. Ignoring these critical safety measures can result in devastating consequences, from property damage to legal liabilities and health risks.

By implementing the solutions discussed above—regular cleaning, air cleaner systems, routine inspections, and staff training—businesses can significantly reduce the risk of fire and ensure the safety of their operations. Protecting your kitchen exhaust system is not only an investment in safety but also a safeguard for your business’s longevity.

Talk to our experts for a consultation on how Skylane can help protect your business’ interest.