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Intumescent Letter Box


The letter box has a plastic body with spring loaded extruded aluminium letter plates, all complete with an unobtrusive layer of Intumescent material.

Available Finishes

Satin Aluminium

Dull Gold

Polished Gold

Mirror Finish


For use in 30 minute fire doors where an aperture has been cut to accept a letter box. In a fire the Intumescent expands, closing the aperture so maintaining the doors integrity. Cold Smoke protection is maintained by seals around the perimeter of the flap. A brush on the internal section also acts as a draught excluder.


Cost effective.

Easy to install.

Available in a range of finishes.

Front flap has 170 degree movement

Offers draught & Smoke protection.