The NEW Dorgard SmartSound - is NOT triggered by vacuum cleaner noise
The Dorgard Acoustic Fire Door Retainer is the safe, reliable and smarter choice for fire door retaining problems.
It's tempting to hold fire doors open with wedges or, ironically, fire extinguishers. This is dangerous and could result in fire insurance becoming void and the personal prosecution of directors, partners or proprietors of offending businesses and organisations.
The NEW Dorgard SmartSound
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