Smoke leakage (S): Failure of the criterion shall have happened In the event the stream fee in duct A throughout the check exceeds ten m³ / (m² h), associated with twenty °C and 1013 mbar, linked to The inner surface place in the duct In the furnace. Phenol Novolac Epoxies https://caswell-group56788.ampblogs.com/5-simple-statements-about-fire-resistant-ductworth-isntallers-explained-73039869