30/10/2026
What is TR19? 🔥
It is the industry specification for cleaning commercial kitchen extract systems, and the one your insurer references in the policy wording. It sets a cleanliness limit of 200 microns of grease, a cleaning frequency based on how many hours a day the extract runs, and a certificate after every clean.
Grease build-up is the single most common cause of commercial kitchen fires. The plain-English guide explains what TR19 requires and what good cleaning looks like: https://mrkitchenporter.com/blog/what-is-tr19/
TR19 is the BESA grease specification that underpins commercial kitchen extract cleaning compliance. Here is what it is, what it requires, and why it matters.