Smoke leakage (S): Failure of the criterion shall have happened When the movement fee in duct A over the check exceeds 10 m³ / (m² h), associated with 20 °C and 1013 mbar, connected to The inner area region of the duct In the furnace. Clarification: Conduction is definitely the https://fireratedductworth01123.liberty-blog.com/37016087/fire-rated-ductworth-things-to-know-before-you-buy