Exitex Intumescent Fire & Smoke Strip with Brush, 5.2m, 25x5mm, (Brown) | 30-min fire & smoke seal, BS 476-22 tested. Fits gaps 2-4mm. Self-adhesive, no routing needed. Covers one internal door.

30-MINUTE FIRE PROTECTION - BS 476: PART 22 TESTED - Intumescent core expands when exposed to heat to help seal gaps and slow the spread of fire. For use only on FD30 rated internal fire door assemblies. COMBINED FIRE & SMOKE SEAL (25MM x 5MM BRUSH) - 25mm wide intumescent strip with integrated 5mm brush pile height helps restrict the passage of fire and smoke while maintaining everyday door function. FITS STANDARD DOOR GAPS (2-4MM) - Designed for common internal fire door clearances. Provides effective sealing while maintaining smooth door operation. 5.2M CONTINUOUS ROLL - COVERS ONE STANDARD INTERNAL DOOR SET - Supplied as a 5.2 metre roll, enough to seal the two vertical sides and top of a standard internal FD30 fire door. Can be cut to size for a precise fit. SELF-ADHESIVE SURFACE MOUNT - EASY RETROFIT INSTALLATION - No routing required. Simply clean, peel and apply to the door or frame. Ideal for landlords, contractors and homeowners upgrading existing fire doors.