Smoke Resistance (Air Leakage)
Ensuring the escape routes are protected Smoke and Fire Curtains successfully pass the Smoke Resistance tests to EN1634-3, with all products tested to the requirements of the current version of BS 8524-1&2.
4.1.2 Active fire curtain barriers
An active fire curtain barrier is one that meets the performance standard of BS 8524 and may have smoke-resisting properties including a method for calculating the smoke leakage of the curtain fabric and edges. Consequently, with smoke-resisting properties, this enables a Fire Curtain to be used on a protected escape route where fire door flexible edge ‘seals’ are normally recommended.
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