Smoke leakage (S): Failure of the criterion shall have happened Should the circulation fee in duct A over the take a look at exceeds 10 m³ / (m² h), relevant to 20 °C and 1013 mbar, relevant to the internal surface spot of the duct In the furnace. Extinguishing Strategies: https://fireratedinsulationforduc33445.csublogs.com/44227421/examine-this-report-on-fire-rated-insulation-for-ductworth