Smoke leakage (S): Failure of this criterion shall have happened When the circulation charge in duct A through the check exceeds ten m³ / (m² h), related to twenty °C and 1013 mbar, linked to the internal area spot in the duct inside the furnace. Extinguishing Techniques: They call for https://fire-rated-ductworth78890.like-blogs.com/36651585/the-2-minute-rule-for-fire-rated-ductworth