Dorgard SmartSound Fire Door Retainer

The SmartSound Dorgard which comes in black or white. The smarter fire door 'Keep Open' device. New technology means that the Smartsound uses audio filtering to listen for an actual alarm, reducing false activations by background noise, automatically releasing doors to close by a closer when a fire alarm sounds.

• Accepted for use by fire authorities & complies with current BS standards

• No programming, just "fit and forget"

• Simple LED status lights

• Carpet friendly - anti-drag feature

• Daily timed release feature

• Works with heavy fire doors (up to 160kg & 1600mm width)