Guest Andy Posted August 8, 2019 Report Share Posted August 8, 2019 Found this symbol on a number of fire doors and have been unable to understand the meaning of it. I've asked many people and organisations for help - to know avail. So I'd love to hear what your thoughts are. Quote Link to comment Share on other sites More sharing options...
AnthonyB Posted August 16, 2019 Report Share Posted August 16, 2019 It's an identification plug, often used to identify types of fire door, but this isn't to any of the most common designs past or present, I've always wondered too! Quote Link to comment Share on other sites More sharing options...
Guest Scot r Posted March 30, 2023 Report Share Posted March 30, 2023 Andy have you found out what this plug is Quote Link to comment Share on other sites More sharing options...
Neil Ashdown MAFDI Posted April 3, 2023 Report Share Posted April 3, 2023 Its a manufacturers' plug used by Leaderflush. Contact http://www.leaderflushshapland.co.uk/Contact-Us for more info. Quote Link to comment Share on other sites More sharing options...
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