Sleeved Letterbox Intumescent Liner 250mm (ONLY VALID WITH 112 RANGE)

Sleeved Letterbox Intumescent Liner 250mm (ONLY VALID WITH 112 RANGE)

• Key Technical Specifications: High performance intumescent liner designed for use in 44mm FD30 fire doors. Fire tested to BS 476 part 22: 1987 and BS EN 1634-1. Smoke tested to BS 476 Part 31/1:1983.
• Materials and Construction Details: Constructed from a high-quality intumescent material that expands rapidly when exposed to heat, effectively sealing the letterbox opening.
• Advantages for Professional Use: Provides a reliable barrier against the spread of fire and smoke, ensuring the integrity of the fire door assembly is maintained during a fire event. Ideal for use in commercial and residential applications where fire safety is a priority.
• Additional Information: This intumescent liner is specifically designed for compatibility with the 112 range of letterboxes. Installation should be carried out in accordance with manufacturer guidelines to ensure optimal performance.

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