Fire Rated Letterbox.
30 minute fire and smoke rated letterboxes suitable for FD30/FD30S fire doors.
Satin Anodised Aluminium finish - 306mm x 70mm
Tested to BS 476 PART 22 & 31.1.
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).
Fully sealed back plate.
Fully sealed letter plate flaps.
Intumescent fire liner.
Adjustable door thickness from 40-65mm.
Supplied complete with internal flap and aperture liner.
Integral sound dampening bumpers.
(Ask us about other finishes)