Intumescent Letter Plate

30 minute fire rated letterboxes suitable for FD30/FD30S fire doors.

Telescopic fitting - adjustable to fit doors 40mm-80mm thickness


10" Standard or 12" Commercial sizes

High performance intumescent liner

Tested to BS 476 part 22: 1987, 30 minute rated.

Tested to BS 476 Part 31/1: 1983

Acoustic tested achieving 32dB Rw

Tested to BS EN 13724 Clause 6.6.5
(Compliant within Scope of PAS 23 & 24)