930mm Surface Mounted Drop Down Smoke Seal from B&Q

930mm Surface Mounted Drop Down Smoke Seal from B&Q

B&Q

Fire doors with a gap of 5mm or more at the bottom require a threshold seal to maintain integrity. The surface mounted drop down smoke seals offer a quick and easy solution to preventing smoke, draughts and even sound from passing through the gap at the bottom of a fire door. Suitable for gaps of up to 14mm, these seals are ideal for retrofitting as they require no routing or rebating. When the door is closed a plunger makes contact with the door frame and lowers the PVC rubber pad in the bottom of the unit, effectively sealing the gap under the door.

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