5 Meters Self-adhesive Fire Expansion Sealing Strip Fire-fighting Smoke Insulation Strip Metal Wood Door Fireproof Sealing

Please note : This listing is for 5 meters length, we supply this in continuous lengths, so enter quantity 2 for 10 meters, quantity 3 for 15 meters etc up to 15 meters.

Fire expansion seal:

Material: Graphite + rubber

Mainly used in door leaf and door frame, door leaf of steel door and wooden door

Between the door and the door leaf. When a fire occurs, the fire expansion seal is automatically

Dynamic expansion, blocking the gap between the door and blocking the gap between the two spaces

Air circulation, effectively prevent the early fire smoke, toxic

Hazards of gas and heat to humans and control the spread of fire.

Not affected by water and humidity.The expansion times is 3-5 times.