Self adhesive graphite intumescent within a white pvc-u case. Certifire Approved Fire & Smoke Seal. Tested to BS476 Part 22 : 1987 & EN1634-3 with a 30 minute rating.
Intumescent strips & seals are pieces of fire-resistant material, which are fitted around the frame of a door. In the event of a fire, the strip will expand, preventing the fire from spreading. Groove are rebated into the door and door frame is accept the strip or seal. Strips are self adhesive.