Intumescent Letter Box Unit Range (Product 49 ) Reference:L1C Brown For advice call us on

For advice call us on 01304 842 555

timber and a wide variety of wood-derived products

Covers are available in various standard sizes

– Provides up to 68 minutes integrity and insulation when used in a fire door

Ensure that these sponge areas are well soaked

Intumescent Letter Box Unit Range (Product 49 ) Reference:L1C Brown For advice call us onA range of intumescent letter box products. Economy Intumescent LetterBox Complete with Intumescent Liner Plastic bodied black frame, aluminium faceplates, complete with smoke, weather, and draught seal. Intumescent seal fitted round the body of the letterbox to crush and seal in a fire. Intumescent LetterBox Units An intumescent fire and smoke protection letter flap system comprising of a frame, fitted with a smoke protection seal and a springloaded