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Trade Name: ASTRO DS DUCT SLEEVE Intumescent Duct Sleeve |
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2 Hour fire rating to BS 476 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 Easily cut to size to minimize wastage, no mastic is required, reducing on site time
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| Description 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. 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. Availability Astro DS Duct sleeves are currently available in the following nominal sizes:
To Order & Specify
Fire Tests ASTROFLAME DS Duct Sleeves have undergone and passed testing in line with BS476 Part 22:1987 at Chiltern International Fire
Health and Safety Refer to COSHH sheet
Related Documents
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
satisfy themselves
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