Smoke leakage (S): Failure of this criterion shall have occurred if the flow rate in duct A during the test exceeds ten m³ / (m² h), connected with 20 °C and 1013 mbar, connected to The inner floor location from the duct In the furnace. Knowledge the fire triangle is https://kylerarfth.blazingblog.com/36883151/little-known-facts-about-fire-rated-ductworth