Smoke leakage (S): Failure of this criterion shall have occurred if the stream fee in duct A in the course of the examination exceeds 10 m³ / (m² h), associated with twenty °C and 1013 mbar, relevant to The interior surface area region of the duct In the furnace. FastWrap https://fire-rated-ductworth56677.elbloglibre.com/36988513/the-best-side-of-fire-rated-insulation-for-ductworth