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Fire door with double chain closer

Guest Jamie

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I have an entry fire door which closes with a double chain closer.

The door closes very slowly and does not close completely. I have also noticed an intermittent "clunk" from the interior of the door about 10-20 seconds after the door has been closed. I'm guessing this could be the chain bunching up as the door closes, but would be grateful for any advice; particularly whether I should be tightening or loosening the adjusting screw on the frame plate on the right.


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Some chain closers do conform to BS EN1154 and have controls for adjusting the closing speed and the latching action.  The self-closing device in the picture looks similar to the Perkomatic by Samuel Heath.

Look for a manufacturers mark on the self-closing device and contact them for the adjustment instructions.

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