• Universal Deadlock Fit Designed as a universal size and shape for quick, easy installation around most standard deadlocks.

• Dual Fire Rating Approved for installation in both 30-minute and 60-minute timber fire door assemblies (BS EN 1634-1).

• Expands 30x in Fire Features a graphite composition that rapidly expands up to 30 times its volume when heated, sealing the lock area.

• Safe and Non-Toxic The material is non-toxic, non-fibrous, and safe for handling, requiring no personal protective equipment (PPE).

• Unaffected by Environment Built to last, the intumescent material is resistant to moisture, humidity, and atmospheric pollution.

Description

This Universal Intumescent Deadlock Kit is an essential passive fire protection product designed specifically for use around deadlocks installed in timber fire door assemblies. Made from a flexible graphite material, this kit has been extensively tested to meet fire standards including BS 476 Part 22 and BS EN 1634-1, making it suitable for both 30-minute and 60-minute timber applications. The core mechanism is activated by heat, where the graphite begins to expand when heated to approximately $180^\circ\text{C}$, achieving up to 30 times its original volume. This rapid expansion effectively seals the gaps around the deadlock, preventing the passage of fire and smoke. The material is completely non-toxic, non-fibrous, safe to handle, and remains unaffected by moisture, humidity, or atmospheric pollution, ensuring long-term reliability.