Timco - Intumescent Letterbox - Polished Gold - Black Frame (Size 272 x 70-1 Each)

• 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
• Fire tested to BS 476 part 22: 1987 & BS EN 1634-1
• Acoustic tested to BS EN ISO 140-3: 1995 Achieving 32dB Rw

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 of 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) Adjustable telescopic sleeve to suit 40mm - 80mm door thickness Fitted brush pile draught excluders Integral sound dampening bumpers Fully sealed backplate Ergonomic curved edge design" Size mm - 272 x 70 Size inch - 10 Finish - Polished Gold Frame Colour - Black Max Door Thickness mm - N/A Fire Rating - 30 Minutes