Dealing With Oil-Based Fires: The Ultimate Guide for Fire Safety

Oil-based fires pose a significant risk, especially in kitchens where deep fryers or chip pans are used. From kitchen accidents to industrial flammables, proper handling methods can mean the difference between quick resolution and a dangerous fire situation. This comprehensive guide covers the best methods to tackle oil-based fires effectively and safely.

Fire Blanket: A Quick and Safe Solution

One of the best tools to combat oil-based fires is a fire blanket. These blankets are inexpensive, usable for any class of fire, and protective for the user. Unlike extinguishers, which can release irritant dust and toxic gases, fire blankets protect the user while approaching the fire. They require minimal cleanup and have an unlimited storage life.

Tips for Using a Fire Blanket

Turn off the heat source immediately. This prevents further escalation of the fire.

Cover the fire with the blanket, completely smothering it. An ideal cover is one specifically designed for the fryer or pan, but any cover will do in a pinch—even a sheet of newspapers.

Be cautious when using fire extinguishers; improper use can blast burning grease, creating a larger fire. Never use water on a grease fire!

Quenching the Fire: Proper Techniques and Equipment

The best methods to extinguish an oil-based fire are through the use of a Class K extinguisher or by smothering the fire with a fitted lid. If it's safe, cover the pot with a tight-fitting lid and turn off the heat.

Enhancing Techniques for Larger Fires:

For more significant oil fires, use CO2 or foam extinguishing systems, especially under exhaust hoods. If these are not available, fire departments may have foam on hand that can be mixed with water to spray on the fire.

Understanding the Sizes of Oil Fires

Determining the size of the fire is crucial to selecting the appropriate response method. Below are guidelines for different fire sizes:

Little Fires (Frying Pan or Fuel Can)

Pan fire: Put a lid on it. Absolutely no water—dry chemical ABC can still cause powder splash and spreading. CO2 can work if you have enough.

Outdoor fires: Cover or let it burn out. Avoid using water improperly as it can splash and spread the fire.

Medium Fires (Up to 50–100 Gallons)

Contain the fire with a dike or dirt. Use a Class B ABC extinguisher with sufficient size.

Consider limitations of CO2 extinguishers and the inherent risks of water, unless used by experts. Foam is rare without professional resources.

Keep potential exposures protected and let the fire burn out if necessary.

Big Fires: Professional Intervention Required

Protect potential exposures to prevent broader involvement.

Do not waste resources on extinguishment until you have enough on site to quell the fire.

Hit the fire with all available means to put it out. Partial efforts can lead to flare-ups and exhaustion of resources.

Conclusion

Dealing with oil-based fires requires careful planning and the right equipment. Whether you're in a home kitchen or a commercial setting, understanding these methods can help you respond quickly and safely to prevent further damage.

Remember, the best approach is to prevent fires altogether. Regular maintenance of kitchen appliances, proper cooking techniques, and immediate action can go a long way in maintaining fire safety.