Fire Resistance Testing: Understanding BS 476 and EN Standards

Fire resistance is fundamental to building safety. We explain the testing methods, classifications, and what the results mean.. Fire Resistance Standards Classification System (EN 13501 2) R — Load bearing (Resistance) E — Integrity I — Insulation For example, REI 60 means the element maintains load bearing, integrity, and insulation for 60 minutes. Testing Methods BS 476 Part 21 — loaded elements BS 476 Part 22 — non loaded elements EN 1364/1365/1366 — European test standards Assessment in lieu of test — engineering judgement extending test evidence For fire resistance consultancy, contact us.