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. Adjustable telescopic sleeve to suit 40-80mm.
Additional information
Weight | 0.74 kg |
---|---|
brand | Firestop |
dimensions | 30.5 x 7 x 7 cm; 740 Grams |