Smoke leakage (S): Failure of the criterion shall have transpired In case the circulation price in duct A throughout the test exceeds ten m³ / (m² h), connected with 20 °C and 1013 mbar, related to The inner floor location from the duct In the furnace. According to specifics, either https://fire-rated-ductworth68899.blog5star.com/37415590/new-step-by-step-map-for-fire-rated-ductworth