Smoke leakage (S): Failure of this criterion shall have occurred In case the stream level in duct A during the take a look at exceeds 10 m³ / (m² h), linked to 20 °C and 1013 mbar, linked to The inner area place on the duct Within the furnace. Encyclopaedia https://fireratedductworth89011.blue-blogs.com/44414663/fire-rated-ductworth-an-overview