NEW FIRE REGULATIONS & TESTS EXPLAINED

– The new fire standard BS EN test lasts 20 mins. with airflow replaces the old BS 476 tests which lasted 10 mins and strangely restricted airflow.
– The new standard for flamespread and heat release Class B replaces Class O.
The new BS EN tests also monitor –
– Smoke & Gas “s” – s1 + s2 are none or very low & compliant, s3 = moderate smoke, s4 = heavy smoke.
– Flaming Droplets or Airborne particulates – dO is none, d1 = low, d2 = moderate d3 = high levels.

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