Smoke leakage (S): Failure of this criterion shall have happened Should the stream amount in duct A in the course of the examination exceeds 10 m³ / (m² h), related to twenty °C and 1013 mbar, related to The interior surface area location on the duct Within the furnace. Nondirectional https://holdenyshxp.blogsumer.com/36043987/fire-rated-ductworth-things-to-know-before-you-buy