Trade Name: Astro DS Duct Sleeve
Intumescent Duct Sleeve
Duct sleeve with 2 hr rating to BS 476 & EN 1366-3:2009, EN 13501-1 Construction covered.
Uncapped / Uncapped (Open | Open) fire tested as required for ventilation systems.
Suitable for use through a wide range of fire partition walls
Offers excellent acoustic insulation
Maintains the thermal insulation of the duct through the penetration
Maintains vapour seal of existing insulation
Sleeve can be easily fitted only requiring access from one side
Allows the thermal movement of the duct
Simple to install without special tools or skills
The Astroflame range of Astro DS duct sleeves are intended for use where a ventilation duct passes through a fire rated wall. The sleeve maintains the integrity of the fire rated wall which would otherwise be lost.
In the event of a fire, the advanced Astro DS Duct Sleeve will expand with the heat, crushing the duct and closing off the hole to the fire for at least 2 hours except the 220x90mm version which is rated 60mins.
The Ventilation duct sleeves are available to fit all common sizes of plastic ventilation duct and are suitable for retro fitting with access only required from one side.
Astro DS Duct sleeves are currently available in the following nominal sizes:
To Order & Specify
Please contact us and quote the following - Quantity / Product Code / Product Description / Size
Test and Assessment Reports
Astroflame DS Duct Sleeves have undergone and passed testing in line with BS476 Part 22:1987 & BS EN 1366-3:2009 at Chiltern International Fire
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