Everything You Need to Know About Regulations and Recommendations for Fire Suppression in Commercial Kitchens

Industrial kitchens, found in restaurants, hotels, hospitals, cafeterias and food-production facilities, create an environment where fire is a natural part of daily operations—yet also a constant risk. Overheated oil, open flames, electrical equipment and intensive machinery use significantly increase the likelihood of a fire. For this reason, fire suppression in commercial kitchens is essential to ensure worker safety, protect facilities and guarantee business continuity.

Regulations Applicable to Fire Suppression in Commercial Kitchens

Regulations may vary depending on the country or region, but generally share common requirements that all facilities must meet. The most relevant include:

Fire Protection Systems Regulation (RIPCI) – Spain

In Spain, RIPCI sets the design, installation and maintenance requirements for fire protection systems. For commercial kitchens, it requires automatic detection and suppression systems specifically designed for grease and oil hazards.

NFPA International Standards

NFPA 96 (National Fire Protection Association) is a global reference for ventilation and fire protection systems in commercial kitchens. It includes requirements for hoods, filters, ducts, automatic systems and maintenance procedures.

Occupational Risk Prevention Regulations

In addition to technical standards, workplace safety laws require personnel to be trained in the use of fire suppression systems and emergency evacuation procedures.

Types of Fire Suppression Systems for Commercial Kitchens

Choosing the right fire suppression system for commercial kitchens depends on the business type, installed equipment and kitchen layout. The most commonly used systems include:

Automatic Wet Chemical Suppression Systems

These are the most widely used systems in kitchen environments. They use chemical agents that cool, smother and react with grease to form a soapy layer that prevents reignition.

Advantages:

  • Automatic activation when critical temperatures are detected.
  • Effective against oil and grease fires.
  • Do not damage nearby electrical equipment.

Carbon Dioxide (CO₂) Systems

Used in enclosed areas or locations where water or chemical damage must be minimized. However, they are not suitable for grease fires in occupied spaces due to the risk of asphyxiation.

Inert Gas Suppression Systems

These systems use gases such as argon or nitrogen to reduce oxygen levels and smother the fire. They are safe for certain equipment and rooms, but less common in kitchens due to their operational dynamics.

Portable Fire Extinguishers for Kitchens

Class K fire extinguishers (according to U.S. standards) or similar agents in Europe are designed specifically for oil and grease fires. They are essential as backup, even when an automatic system is in place.

Recommendations for Compliance and Ensuring System Effectiveness

Compliance is not just about installing the system—it must be kept in perfect working condition and staff must be properly trained. The main recommendations include:

Regular Maintenance

The system should be inspected following manufacturer instructions and applicable legislation. This includes:

  • Checking nozzles and diffusers.
  • Inspecting cylinder pressure.
  • Replacing extinguishing agents before expiration.
  • Cleaning filters and ducts to prevent grease buildup.

Staff Training

All staff must know:

  • How to act in the event of a fire.
  • The location and use of extinguishers.
  • Evacuation procedures.

Integration with the Ventilation System

Suppression systems must be connected to the extractor hood and ventilation ducts to act directly at the fire’s source.

Documentation and Records

Keeping installation, inspection and maintenance records is mandatory and required during official inspections.

Common Mistakes to Avoid

Even with a good system, some practices can compromise its effectiveness:

  • Not cleaning hood filters frequently enough.
  • Deactivating the automatic system due to inconvenience during daily work.
  • Using the wrong type of extinguisher, such as water, which can worsen grease fires.
  • Not replacing extinguishing agents when expired.

Cases Where Installing a Specialized System Is Mandatory

Although all commercial kitchens must have fire protection, installing a specialized system is mandatory in:

  • Restaurants with open kitchens visible to customers.
  • Hotels and hospitals.
  • Schools and educational centers with dining services.
  • Food industry facilities with large-scale kitchens.

Benefits of Having a Certified and Well-Maintained System

Investing in a certified and properly maintained fire suppression system for commercial kitchens provides:

  • Greater safety for staff and customers.
  • Protection of installations and equipment.
  • Compliance with legal regulations.
  • Reduced downtime after an incident.
  • Improved business image and customer confidence.

Protect Your Commercial Kitchen with Certified Detection and Suppression Systems

Fire suppression in commercial kitchens is not something that can be left to chance. Complying with regulations, choosing the right system and keeping it fully operational is the best way to protect lives, facilities and business reputation.

Investing in a certified system and professional maintenance is a strategic decision that can save your business in a critical moment.

At Fleximecan, we offer the best fire suppression systems for commercial kitchens.