Trade Names: Astro Eco Telescopic Letter Box FX (Fire & Smoke)
Intumescent Fire Rated Telescopic Letterbox System
30 minute fire rated letterboxes suitable for FD30/FD30S fire doors.
Telescopic fitting - adjustable to fit doors 40mm-80mm thickness
Wide range of letter plate finishes.
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
Tested to EN 1634-1, 30 minutes
The Astro eco telescopic letterbox system range is specifically designed to increase the safety and security of occupants against fire and is particularly suited to multiple occupancy residential buildings.
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.
The letterbox flaps open to 180° and the adjustable telescopic sleeve can be set to suit
40mm - 80mm
Acoustic and thermal performance features include brush pile draught excluders, integral sound dampening bumpers and a fully sealed backplate.
During a fire the intumescent liner rapidly expands and seals off the letterbox opening, preventing the spread of fire and smoke whilst maintaining the integrity of the fire door assembly.
Available in 10” Standard (272mm x 70mm) and 12” Commercial (306mm x 70mm) sizes.
Cut out required is 241mm x 57mm for standard size letterbox and 274mm x 57mm for commercial size letterbox.
Adjustable to suit door thickness from 40mm – 80mm.
Both 10" and 12" sizes have a black ABS frame, except the SS which has a silver frame. The letterboxes are available in Satin Aluminium, Chrome Plated, Stainless Steel, Polished Silver, Polished Brass or Polished Gold letter plate flaps.
Availability for the Astroflame range of Intumescent Fire Rated Telescopic Letter Box FX Systems: Intumescent Fire Rated Telescopic Letterbox System FX.
Colour / Size reference
To Order & Specify
Please contact us and quote the following - Quantity / Product Description / Product Code / Colour / Size
Test and Assessment Reports
Fire tested for 30 minutes to BS 476 Part 22
Health and Safety
The product does not present any known health hazards during or after installation. Normal good industrial and personal hygiene practices should be observed. For further information on health and safety requirements please contact the technical team on: tel 01329 844 500 or email email@example.com
As part of our policy of ongoing improvements, we reserve the right to modify, alter or change product specifications without giving notice. Product illustrations are representations only. All information contained in this document is provided for guidance only, and as ASTROFLAME FIRESEALS LTD has no control over the installation methods of the products, or of the prevailing site conditions, no warranties expressed or implied are intended to be given as to the actual performance of the products mentioned or referred to, and no liability whatsoever will be accepted for any loss, damage or injury arising from the use of the information given of products mentioned or referred to herein.
The above information
to the best of our knowledge is true and accurate and based upon current
test data and is supplied for your guidance only. Customers should