Astroflame Intumescent Letterbox.
Fire tested for 30 minutes to BS 476 Part 22
Smoke tested to BS 476 part 31/1
Acoustic tested to BS EN ISO 140-3. Achieving 32dB Rw
Security tested to BS EN 13724 Clause 6.6.5 (PAS 23/24)
The Astro Eco Telescopic Letterbox is a stylish, ABS framed, telescopic letterbox with metal flaps fitted with a high performance intumescent liner around the telescopic sleeve section.
Satin Anodised Aluminium 272mm x 70mm.
Fully sealed back plate.
Fully sealed letter plate flaps.
Intumescent fire liner.
Adjustable door thickness from 40-80mm.
Supplied complete with internal flap and aperture liner.
Choice of letter plate finish.
Integral sound dampening bumpers.
OTHER FIREPROOF LETTERBOXES:
60min fire, smoke and acoustic rated letterboxes (29dB Rw) please refer to our Fire and Acoustic Telescopic Letterbox.
60 min. fire rated only intumescent letterbox please refer to Fire Rated Telescopic Letterbox