Firestop Intumescent Letterbox 12"/300mm 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.

Applications:

• For use in 44mm FD30 fire doors
• New build or retro-fit applications

Testing:

• Fire tested to BS 476 part 22: 1987 and BS EN 1634-1
• Smoke tested to BS 476 Part 31/1:1983
• 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)

Features:

• Letterbox flaps open to 180 degrees
• Adjustable telescopic sleeve set
• Fitted with brush pile draught excluders
• Integral sound dampening bumpers
• Wide range of letter flap finishes
• Ergonomic curved edge design
• Fully sealed backplate

Dimensions: