Highly flammable

Fire safety risk assessment: small and medium places of assembly, published by HM government in 2006 and updated in 2024, defines a flammable material as a material that can be: ‘Easily ignited and capable of burning rapidly.’

It defines highly flammable as: ‘Generally liquids with a flashpoint of below 21°C.’

The Chemicals Hazard Information and Packaging for Supply Regulations (CHIP) give more detailed guidance.

[edit] Related articles on Designing Buildings

• Approved Document B (Fire Safety).
• Building Safety Act.
• Building Safety Wiki.
• Flammable material.
• Fire Safety Act.
• Fire.
• Grenfell Tower.
• Hackitt review.
• Joint fire code.
• Risk assessment under The Regulatory Reform (Fire Safety) Order 2005.