Smoke leakage (S): The duct shall not Possess a leakage exceeding five m³/h for each one m² of inner surface spot. This shall be connected with the area area in the duct within the perforated plate to the top of your duct with the inlet nozzles. If the outlet terminates https://felixlbqes.ssnblog.com/35823164/an-unbiased-view-of-fire-resisting-ductwork-insulation