Flame jetting is a sudden fire event in which flame and burning fuel can be rapidly expelled from a container of pourable alcohol-based fuel toward the person refueling a fire pit and nearby bystanders. The event can happen so quickly that people in the path of the flame jet may have little or no opportunity to move away.
A flame-jetting accident may begin when someone attempts to refill an alcohol-fueled fire pot that appears extinguished but still contains a flame or remains hot enough to ignite fuel vapor. Flame can propagate back toward the fuel container, ignite the fuel-and-air mixture inside it, and cause a burst of flaming fuel to jet from the container opening.
That sequence distinguishes flame jetting from an ordinary flare-up, spill or pool fire. It also distinguishes flame jetting from ethanol flashback ignition, which describes flame propagating backward toward the fuel source. Flame jetting describes the dangerous outward discharge that can follow when ignition reaches the fuel container and flame or burning fuel is expelled toward people nearby.
The danger often develops during refueling, when the consumer believes the fire is already out. Alcohol flames may be difficult to see, particularly when the fuel level is low, and alcohol vapors are invisible. A fire pot can therefore appear safe to refill while an ignition source remains. A fire pit flame-jetting sequence may involve:
The final outward discharge is what makes flame jetting particularly dangerous. Burning fuel is no longer confined to the fire pot. It can travel toward the person holding the bottle, across a table or patio, or onto people who had no involvement in refueling.
Flashback and flame jetting can occur during one continuous accident, but they describe different parts of the event. Keeping those mechanisms separate is important when investigating how someone was burned.
Flashback describes flame traveling backward toward the fuel supply. Headspace ignition can occur when that flame reaches a combustible mixture of vapor and air inside the container. Flame jetting describes the resulting outward burst of flame and potentially burning liquid fuel from the container opening. A family may understandably describe the entire event as an explosion, fireball or blowtorch. An investigation should go further and determine the actual sequence. That distinction can affect which product components, safety devices, warnings and physical evidence require expert examination.
Alcohol-fueled decorative fire pits can present a hidden refueling hazard because a remaining flame may be difficult to perceive. A consumer can look at the burner, see no obvious flame and believe that adding fuel is safe.
The problem is compounded by invisible fuel vapor. When fresh fuel is poured, vapors around the stream can encounter the remaining flame or another sufficient ignition source before the person pouring realizes the danger.
The interaction between invisible ethanol flames and vapor fires can therefore be critical to reconstructing a flame-jetting accident. Investigators may need to determine what the consumer could actually see, what the instructions said about extinguishment and cooling, and whether the product provided a reliable way to determine when refueling was safe.
The fire pit is only part of the evidence. Because flame jetting originates from the fuel container after the event progresses to container ignition, the bottle or other dispensing container may be one of the most important pieces of physical evidence.
Investigators may need to examine the container opening, cap, nozzle, internal components and any flame-mitigation device. The container may also identify the fuel formulation, manufacturer, lot information, warnings and instructions associated with the product.
Important evidence can include:
An apparently empty, burned or damaged fuel bottle should not be discarded. Its condition may help investigators determine how flame entered or exited the container and whether a flame-mitigation feature was present.
A flame-mitigation device, commonly called a flame arrestor, is designed to reduce the likelihood that an external flame can enter a fuel container and ignite the combustible mixture within its headspace. A flame arrestor may resemble a screen or other engineered structure positioned in or near the container opening.
After a flame-jetting accident, investigators may need to determine whether the container had a functional flame arrestor, whether its design was appropriate, whether it was installed correctly and whether it remained effective over the useful life of the product.
Fire-pot design matters as well. The ASTM fire-pot safety standard addresses portable liquid- and gel-fuel-burning devices, while separate standards address flame-mitigation devices in certain flammable-liquid containers. The applicable requirements should be evaluated against the actual products and relevant dates rather than assumed from the appearance of the device.
A flame-jetting investigation should examine both products used together: the fire pot and the container supplying its pourable fuel. The accident should not automatically be attributed to either consumer conduct or a product defect before the evidence is examined.
Depending on the products involved, investigators may consider:
A generic warning that alcohol is flammable does not necessarily answer every issue raised by flame jetting. The investigation may need to consider whether warnings and instructions addressed the particular refueling sequence capable of producing the hazard.
Flame jetting is not limited to the person holding the fuel bottle. Burning fuel can be expelled rapidly enough to strike someone seated across a table, a nearby child, a family member or another bystander who never touched the fire pit.
Once burning liquid reaches a person’s clothing or skin, the injury may continue beyond the initial burst. Expelled or spilled fuel can also contribute to a pool fire across a tabletop, floor, patio or surrounding materials.
Severe flame-jetting injuries can include:
The medical consequences can continue long after the initial hospitalization. Projected flame and burning liquid can cause third-degree and severe fire pit burns involving substantial areas of the body, while direct exposure of the head and upper body can result in fire pit facial burns and disfigurement requiring grafting, reconstruction and prolonged rehabilitation.
A pool fire occurs when spilled or accumulated liquid fuel burns across a surface. Flame jetting occurs when flame and potentially burning fuel are projected from a fuel container. A single accident can involve both.
For example, a flame jet may strike a person and simultaneously discharge burning liquid onto a table or floor. That fuel can then create a secondary pool fire, extending the duration and area of exposure.
Distinguishing the mechanisms matters because different evidence may explain each part of the event. Container components and headspace ignition are particularly important to flame jetting, while spilled-fuel patterns, product stability and fuel accumulation may be important to a pool-fire analysis.
Witnesses may remember a sudden fireball without being able to identify precisely where it began. Flame jetting can develop too rapidly for someone at the scene to observe each stage. Investigators can use physical evidence, photographs, video, witness positions, burn patterns, product records and warnings to reconstruct the event. They may also need to determine whether the fuel bottle was original to the product, what fuel was inside it, whether the fire pot was still burning, and whether burning fuel emerged from the container.
Families should not clean, refill, alter, test or return the fire pot or fuel container before the evidence can be evaluated. Proper fire pit explosion evidence preservation includes protecting the fire pot, fuel container, remaining fuel, photographs, purchase records, warnings and other materials that may help investigators reconstruct how the accident occurred.
How could someone across the table be burned?
Flame jetting can project flame and burning fuel away from the container. A person does not have to be operating or refueling the fire pit to be injured. Nearby bystanders can be struck directly or burned by fuel that subsequently creates a pool fire.
Does refueling mean the injured person caused the accident?
Not necessarily. The investigation should determine why the person believed refueling was safe, whether a flame was difficult to see, whether the device had cooled, what the warnings instructed, and what safety features were incorporated into the fire pot and fuel container. Responsibility depends on the evidence and applicable law.
Does the fuel bottle have to rupture for flame jetting to occur?
No. Flame jetting can occur when ignition within the container causes flame and fuel to be expelled from its opening. Container rupture can present an additional hazard in some circumstances, but rupture is not required for flame jetting.
What evidence should our family save?
Preserve the fire pot, original fuel bottle, remaining fuel, caps, nozzles, screens or inserts, packaging, warnings, instructions, receipts, photographs and videos. Do not return the products or attempt to recreate the accident before they can be properly evaluated.
Potential responsibility depends on the products, accident sequence and governing state law. Depending on the evidence, claims may involve the fire-pot manufacturer, fuel or container manufacturer, importer, distributor, retailer, component supplier or another company responsible for the product.
Legal issues can include defective design, inadequate warnings or instructions, manufacturing defects, negligence, breach of warranty and other claims recognized by the applicable jurisdiction. Prior incidents, safety testing, product changes, recalls and applicable standards may also become relevant.
A flame-jetting event does not automatically establish liability against any particular company. The purpose of an investigation is to determine how the event occurred, whether a product defect or inadequate warning contributed to it, and which parties were legally responsible.
When flame jetting causes catastrophic burns, determining responsibility may require examining the fuel container, burner design, warnings and companies involved in supplying both products. Experienced fire pit explosion injury lawyers can coordinate the legal investigation with qualified technical professionals while preserving evidence needed to identify the cause and potential defendants.
Health Canada has identified flame jetting involving portable fire pots and containers of pourable alcohol-based fuel as a serious fire and burn hazard. Its safety materials describe flame traveling toward the fuel container and a burst of flaming fuel rapidly jetting from the container after ignition occurs.
The Health Canada flame-jetting safety guidance addresses flame arrestors and warns against refueling a fire pot until the flame is completely extinguished and the device has cooled. Those precautions are directly relevant when investigators examine how a consumer could have believed that a fire pot was safe to refill.
Government warnings do not determine liability in an individual lawsuit, but they can provide important technical and regulatory context for investigating the product, warnings, fuel container and accident sequence.
A serious flame-jetting investigation should begin with the evidence: the fire pot, original fuel container, remaining fuel, accident sequence, warnings, safety devices, photographs and video. Early preservation matters because bottles can be discarded, fire-damaged products removed, surveillance recordings overwritten and online product information changed.
David P. Willis has represented seriously injured people and families in catastrophic injury and defective-product litigation for more than 40 years. Fire-pot cases can involve engineering, warnings, product design, burn injuries and multiple companies in the distribution chain.
David P. Willis has been Board Certified in Personal Injury Trial Law since 1988 by the Texas Board of Legal Specialization. He was licensed in Texas in 1983 and New York in 2005 and formerly served as a Briefing Attorney to Justice Robert M. Campbell of the Supreme Court of Texas. Cases outside those jurisdictions can be handled with qualified affiliated or local counsel when required without increasing the client’s attorney fee.
Cases are handled on a contingency-fee basis. Attorney fees are not owed unless compensation is recovered. Families injured by projected flame or burning fuel can discuss a flame jetting injury with our legal team for a free, confidential case evaluation.
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FirePitLawsuits.com – National investigations of alcohol-fueled fire pit explosions and burn injuries. Willis Law Firm handles product defect cases nationwide. David Willis is licensed by the State Bar of Texas since 1983 and Board Certified in Personal Injury Trial Law by the Texas Board of Legal Specialization since 1988 — a certification held by fewer than 2% of Texas attorneys. He is admitted to practice law in New York and was recognized by the American Association for Justice with the Steven Sharp Public Service Award for product defect investigation work that contributed to one of the largest federal safety recalls in US history. Willis Law Firm, 5005 Riverway Drive, Suite 160, Houston, Tx. – Principal Place of Business – All Meetings by Appointment Only.
