Acoustically operated door release mechanisms

    • 21 July 2022
    • in Fire

    Acoustically operated door release mechanisms (AODRM) for holding
    open fire doors.
    National Protection Learning Information Note.

    In response to a number of recent enquires, this information note is designed to raise
    awareness of the suitability of acoustically operated door release mechanisms (AODRM)
    when used to hold open (and subsequently release) fire doors in premises

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