Smoke leakage (S): Failure of this criterion shall have happened When the stream level in duct A in the course of the test exceeds 10 m³ / (m² h), relevant to twenty °C and 1013 mbar, associated with The interior area area on the duct In the furnace. In this https://ductworth-installation37913.blogvivi.com/37251277/the-greatest-guide-to-caswell-group