Smoke leakage (S): Failure of the criterion shall have transpired In case the flow price in duct A through the check exceeds 10 m³ / (m² h), related to twenty °C and 1013 mbar, linked to The interior surface area of your duct Within the furnace. Fire combating providers are https://fireratedductworth45677.liberty-blog.com/37031560/the-best-side-of-fire-rated-ductworth