ECO TELESCOPIC LETTER BOX FX - Installation Guide
The purpose of this document is to give guidance to approved contractors and suppliers who are engaged in the fire stopping of service penetrations in walls and doors using the Astro Eco Telescopic Letter Box System FX. All service holes through floors and compartment walls must be fire stopped to prevent the passage of fire, smoke and hot gases. The key points for intumescent passive fire protection products are to:
The Astro Eco Telescopic Letterbox FX
The Astroflame Telescopic Letterbox range is specially designed to increase the safety and security of occupants against fire.
The ECO range is Fire & Smoke rated for 30 minutes. Where relevant, particularly for multiple occupancy residential buildings, letterboxes have been fire tested to BS 476 PART 22 & 31.1 for 30 minutes fire & smoke rating.
Please note that the maximum tested height from the floor to the letterbox is 1050mm to stay within the tested criteria.
The letterboxes are adjustable to suit door thickness of 40mm - 65mm for 30 minute rated doors only. Fixing screws supplied
Astro Eco Telescopic Letter Box FX is manufactured in the EU, meeting the highest quality standard in compliance with ISO EN 9001:2000 . For fire test certification contact Astroflame Fireseals technical department.
Fire tested for 30 minutes to BS 476 Part 22
Storage and disposal
Astro Eco Telescopic Letter Box FX should be stored indoors. No shelf life is given as this product will not deteriorate in storage.For additional testing, certification or technical information please contact
ASTROFLAME FIRESEALS LTD.Issue 04/08
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