Smoke leakage (S): Failure of the criterion shall have transpired In the event the movement level in duct A in the take a look at exceeds 10 m³ / (m² h), associated with twenty °C and 1013 mbar, relevant to The interior surface space with the duct inside the furnace. https://fireresistingductworkinsu23455.bloggerbags.com/42365795/facts-about-fire-rated-insulation-for-ductworth-revealed