Garage Fire Prevention: Electrical, Chemicals, and Other Hidden Risks

On March 8 at 3:45 a.m., first responders reported to a car shop engulfed in flames in Polk County Missouri. Thankfully, no injuries were reported at the scene. While the news article does not outline why or how the fire started, there is still something we can learn from this incident.

Every shop and business has unique hazards based on the work being performed, equipment being used, and materials being stored. However, there are several common hazards present in most automotive shops, garages, and small businesses that are worth examining. Understanding these risks—and taking simple steps to reduce them—can make the difference between a minor issue and a devastating loss.

Electrical Hazards

Electrical systems are one of the most common sources of fires in shops and garages. Old wiring, overloaded circuits, damaged extension cords, and improperly maintained equipment can all create heat and sparks that may ignite nearby materials.

Practical steps to reduce this hazard:

• Regularly inspect wiring, outlets, and power tools for damage or wear.
  
  

• Avoid overloading circuits with multiple high-draw tools or machines.
  
  

• Replace damaged cords immediately rather than taping or patching them.
  
  

• Keep electrical panels accessible and clearly labeled.
  
  

• Schedule periodic inspections of your building’s electrical system by a qualified professional.
  
  

• Ensure flammable materials are stored away from outlets, chargers, and electrical equipment.
  
  

Flammable Liquids and Chemicals

Automotive shops frequently store gasoline, solvents, degreasers, paints, and other chemicals that can ignite quickly if exposed to heat or sparks. Improper storage or handling can turn a small ignition source into a fast-moving fire.

Practical steps to reduce this hazard:

• Store flammable liquids in approved, labeled safety containers.
  
  

• Keep chemicals inside flammable storage cabinets when possible.
  
  

• Limit the amount of fuel or chemicals stored in the shop to what is necessary for operations.
  
  

• Maintain proper ventilation when using solvents or chemicals.
  
  

• Clearly label all containers to prevent misuse or accidental mixing.
  
  

• Train employees on proper handling and storage procedures.
  
  

Oily Rags

Oily or solvent-soaked rags are a frequently overlooked fire hazard. Certain oils can undergo spontaneous combustion, meaning they can generate heat and ignite without an external spark when left piled together.

Practical steps to reduce this hazard:

• Store oily rags in self-closing metal containers designed for rag disposal.
  
  

• Remove and dispose of oily rags daily instead of letting them accumulate.
  
  

• Never leave used rags piled on workbenches or floors.
  
  

• Ensure employees understand the risk and know where to dispose of used materials.
  
  

Battery Storage and Charging

Many shops store and charge automotive batteries or power tool batteries. Charging batteries can produce heat and gases, and damaged batteries can short or ignite.

Practical steps to reduce this hazard:

• Charge batteries in designated, well-ventilated areas.
  
  

• Keep charging stations free of clutter and combustible materials.
  
  

• Use manufacturer-approved chargers and follow recommended charging practices.
  
  

• Inspect batteries regularly for swelling, cracks, or corrosion.
  
  

• Avoid charging batteries overnight or when the building is unattended whenever possible.
  
  

Accumulated Waste

Clutter and waste buildup provide additional fuel for fires and can allow small ignition sources to spread rapidly throughout a building.

Practical steps to reduce this hazard:

• Implement a regular housekeeping schedule to remove trash, scrap materials, and debris.
  
  

• Keep walkways, exits, and work areas clear of unnecessary items.
  
  

• Store combustible materials away from ignition sources.
  
  

• Dispose of cardboard, packaging, and scrap materials frequently rather than letting them pile up.
  
  

Incidents like the recent shop fire serve as reminders that fire prevention often comes down to small, consistent habits. While each shop or business may have different hazards, paying attention to common risks—electrical systems, flammable liquids, waste materials, and storage practices—can dramatically reduce the likelihood of a fire.

Each of these considerations can also be applied beyond the workplace. The same hazards often exist in home garages, workshops, and small businesses.

Keeping these risks in mind when interacting with tools, equipment, and chemicals could save your home, your shop, or your business.

KY3 Staff. (2026, March 8). Crews battle fire at Bolivar, Mo., repair shop. KY3 News. https://www.ky3.com/2026/03/08/crews-battle-fire-bolivar-mo-repair-shop/

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