Fire-protected structural steel
Technical guidance · Company updates

NEWS & ARTICLES.

Guidance, project updates and practical insight from the Thornton Fire team.

Guide12 August 2026 · 5 min read

What is passive fire protection — and why buildings need it

Active systems like alarms and sprinklers get the attention, but passive fire protection is what keeps a fire where it starts. We break down compartmentation, fire stopping and fire doors.

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