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 flaps open to 180?
- Smoke tested
- Adjustable telescopic sleeve set to suit 40mm - 80mm door thickness
- Fitted with brush pile draught excluders
- Integral sound dampening bumpers
- Wide range of letter flap finishes
- Ergonomic curved edge design
- Fully sealed backplate