4FireDoors Intumescent Fire & Smoke Seal Single Door Pack 10 x 4mm

The intumescent fire seals expand in the event of a fire and seals off the gap between the door and the frame, preventing the spread of fire and smoke. This combined fire and smoke seal prevents the spread of smoke prior to the fire seal activating. It is very important to fit the correct size seal, please always check fire door manufacturers instructions. Certifire Approved CF846 Supplied with a self-adhesive backing for ease of application Low friction brush pile to aid door closing Rapid multi-directional expantion Unaffected by moisute and common chemicals Fire tested to BS 476 and EN 1634-1 Acoustic tested to BS EN ISO 140-3