Trade Name: Astroliner
Intumescent Letterbox Liners
Tested to BS476: Part 22: 1987
For use in 30 and 60 min. fire doors
Choice of Colour & Letterplates
Self adhesive backed
Easy to install
Suits new or retro-fit
Consists of a high performance, self adhesive backed, PVC laminated intumescent material which has been designed to line the aperture of letterboxes in solid fire resistant doors.
On exposure to a fire the liner will rapidly expand (intumesce) to seal the aperture and stop the spread of fire, smoke and hot gases through the door. The liner has been independently tested in accordance with BS476: Part 22: 1987 and the 50mm can provide in excess of 1 hour fire resistance.
Supplied in packs containing sufficient material to suit any size aperture up to 250 x 50mm and can be used in both 1/2 and 1 hour fire door assemblies. Larger sizes available on request.
Liner Colours - Black & Red. Letterplate colours - Brass or Satin Aluminium effect. 6 per box
To Order & Specify
Please contact us and quote the following
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 firstname.lastname@example.org
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