Intumescent Letterbox – Polished Gold – Black Frame

A stylish ABS framed, telescopic letterbox, with metal flaps and fitted with a high performance intumescent liner. In the event of fire the intumescent liner expands rapidly and seals off the letterbox opening, preventing the spread of fire and smoke whilst maintaining the integrity of the fire door assembly.

• Letterbox flap opens to 180° angle
• Smoke tested to BS 476 part 31/1: 1983
• Fire tested to BS 476 part 22: 1987 & BS EN 1634-1
• Acoustic tested to BS EN ISO 140-3: 1995 Achieving 32dB Rw
• Security tested to BS EN 13724 Clause 6.6.5 (Compliant within scope of PAS 23/24)

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