Smoke leakage (S): The duct shall not Use a leakage exceeding five m³/h per 1 m² of interior surface spot. This shall be associated with the floor space in the duct within the perforated plate to the end of your duct through the inlet nozzles. Also, mentorship can significantly accelerate https://fire-resisting-ductwork-i02345.blogginaway.com/37691022/fire-resisting-ductwork-insulation-no-further-a-mystery