Smoke leakage (S): Failure of this criterion shall have transpired if the circulation level in duct A throughout the take a look at exceeds ten m³ / (m² h), related to 20 °C and 1013 mbar, relevant to The inner surface location with the duct In the furnace. Promat has https://rowanjcqft.thelateblog.com/37026470/what-does-ductworth-installation-mean