Smoke leakage (S): Failure of the criterion shall have occurred When the flow level in duct A in the course of the examination exceeds 10 m³ / (m² h), related to twenty °C and 1013 mbar, connected with the internal area place on the duct inside the furnace. Depending on https://fireratedinsulationforduc12233.rimmablog.com/35916470/indicators-on-fire-rated-insulation-for-ductworth-you-should-know