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Home  /  Kitchen Deep Cleaining  /  Mitigating Fire Risks: The Essential Guide to Kitchen Exhaust System Cleaning
15 May 2025

Mitigating Fire Risks: The Essential Guide to Kitchen Exhaust System Cleaning

Written by Andrew Winter
Kitchen Exhaust System Cleaning
Kitchen Deep Cleaining canopy cleaning, extract system cleaning, kitchen exhaust cleaning, TR19 compliance Leave a Comment

The Unseen Fuse in Your Commercial Kitchen

Every commercial kitchen is a hive of activity, producing delicious meals and, inevitably, a significant amount of grease-laden vapours. While your kitchen staff are meticulously preparing food, an unseen danger could be building within your ventilation system. Kitchen exhaust cleaning refers to the professional removal of grease and grime from kitchen ventilation systems, including exhaust hoods, ductwork, and exhaust fans

Over time, grease, oil, and smoke particles accumulate within your kitchen exhaust system, forming a highly combustible residue. This build-up acts like an unseen fuse, waiting for a spark to ignite a devastating fire.

At Rentokil Specialist Hygiene, we understand that fire safety is paramount for any business, particularly those operating commercial kitchens. This is why professional kitchen exhaust cleaning is not just a good idea; it’s a critical, non-negotiable component of your fire prevention strategy and a key to ensuring the safety and continuity of your operations.

The Hidden Danger: Grease Accumulation and Fire

Your kitchen’s extract system is designed to pull smoke, steam, and grease-laden air away from cooking surfaces. However, as this air travels through the canopies, filters, ductwork, and fans, grease particles condense and adhere to the internal surfaces. This accumulation, known as grease build-up, creates a significant fire hazard:

  • Highly Flammable: Grease is extremely flammable. A stray spark, a flare-up from a hob, or even excessive heat can quickly ignite these deposits.
  • Rapid Spread: Once ignited, a fire in the extract system can rapidly spread through the ductwork, potentially reaching other parts of your building, beyond the kitchen itself.
  • Difficulty in Extinguishing: Fires within ductwork can be very difficult to extinguish, as they are often enclosed and inaccessible, allowing them to burn fiercely and cause extensive damage.

The consequences of such a fire can be catastrophic: severe injury or loss of life, extensive property damage, significant business interruption, and potentially crippling financial and legal repercussions.

The Mandate for Safety: TR19® Compliance

In the UK, the recognised standard for the hygiene and fire safety of grease extract systems is TR19® compliance, set by the Building Engineering Services Association (BESA). This standard outlines the specific requirements for the inspection and cleaning of these systems.

Adherence to TR19® Grease is crucial for several reasons:

  • Legal Obligation: Businesses have a legal duty of care to ensure the safety of their employees and the public. Non-compliance can lead to prosecution under fire safety regulations.
  • Insurance Validity: Most, if not all, commercial insurance policies require regular kitchen exhaust cleaning in accordance with TR19®. Failure to provide evidence of compliant cleaning can invalidate your insurance, leaving your business exposed in the event of a fire.
  • Risk Management: Regular cleaning, as per TR19® guidelines, is a proactive risk management strategy that significantly reduces the likelihood of a fire originating within your kitchen’s ventilation system.

The Rentokil Specialist Hygiene Difference: Our Expert Approach to Commercial Kitchen Fire Safety

Rentokil Specialist Hygiene are proudly BESA members and provide a specialist, compliance-focused canopy cleaning and extract system service that mitigates fire risks and protects your business. What sets us apart?

  1. Experienced and Certified Technicians: Our teams are fully trained and experienced in the complexities of kitchen extract systems, understanding the unique challenges of grease removal and fire prevention.
  2. Comprehensive Cleaning Protocol: We don’t just clean the visible parts. Our service includes:
    • Canopy and Filter Cleaning: Thorough degreasing and sanitisation of the hood and filters.
    • Ductwork Degreasing: Accessing and meticulously scraping and cleaning the internal surfaces of all accessible ductwork, from the canopy to the discharge point, using specialist tools and degreasing agents.
    • Fan and Motor Unit Cleaning: Ensuring the extract fan and motor are free from grease build-up, which can impede performance and also pose a fire risk.
  3. Advanced Equipment: Utilising industrial-grade degreasers, powerful pressure washers, and mechanical agitation tools to effectively break down and remove even the most stubborn grease deposits.
  4. Minimal Disruption: Our teams work efficiently and can schedule services during off-peak hours or overnight to minimise impact on your kitchen operations.
  5. Full Documentation for TR19® Compliance: Upon completion, we provide comprehensive reports, including before-and-after photographs, grease thickness readings, and a certificate of cleaning. This documentation is essential for your insurance requirements and to demonstrate due diligence in fire safety.

Don’t Compromise on Safety

Your commercial kitchen is the heart of your business, but a neglected extract system can quickly turn it into a significant fire hazard. Investing in regular, professional kitchen exhaust system cleaning is an investment in your business’s safety, compliance, and long-term viability. It’s about more than just keeping it clean; it’s about preventing disaster and protecting your most valuable assets.

Ready to Ensure Your Commercial Kitchen is Fire-Safe and Compliant?

Contact Rentokil Specialist Hygiene today for a comprehensive survey and a tailored extract system cleaning solution. Let us help you protect your business and gain peace of mind.

Andrew Winter

Andrew Winter joined Rentokil Initial UK in 2024 as a Senior Online Marketing Executive. With a robust marketing background spanning several years across diverse web and multi-platform applications and extensive experience as a copywriter for countless eCommerce brands at prominent digital marketing agencies in the US, he specialises in crafting compelling content that drives engagement and delivers quantifiable results. Andrew's recent work includes long-form content creation in the tech M&A niche, contributing to strategic initiatives to enhance digital presence and maximise customer engagement.

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