- Astro DS Duct Sleeve
- Astroflame Intumescent Duct Sleeves - CE Marked
- Tested in accordance with BS 476 Parts 20 and 22 : 1987 and EN 1366-3 : 2009.
- Uncapped / Uncapped (Open | Open) fire tested as required for ventilation systems.
- 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
- 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.
- CE Marked.
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 up to 120 minutes.
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.
- Size: Width: 204mm x Height: 60mm x Length: 180 mm.
We have technical representatives who provide assistance in the selection and specification of the products on this site and should be consulted for exact installation and product suitability. Ensure an early engagement with ourselves, designers, main contractor and specialist installers before any installation. Other trades and/or manufacturers may need to be consulted. For in-depth information, specification and technical advice please call our Head Office on Tel: +(0)1329 841416 or email firstname.lastname@example.org
All interested parties, designer, specifier, main contractor and specialist installers should provide access to allow the fire stopping seals to be regularly inspected and maintained, as well as records kept of such maintenance at minimum periods of 12 months, as required by the Regulatory Reform Order, and repaired if necessary. Reference should be made to ASFP TGD 17 – Code of Practice for the Installation and Inspection of Fire Stopping.
It is vital that those entrusted to design or install a fire stopping product have the necessary levels of competence to undertake the task professionally and thoroughly. The level of competency required will be commensurate with the expected complexity of the building. All designers must eliminate, reduce or control foreseeable risks that may arise during installation, construction or maintenance when preparing or modifying designs. Clients should ensure that the principal designer and principal contractor carry out their duties under CDM regulations. The ASFP foundation course in passive fire protection provides essential knowledge as part of demonstrating competency and understanding in this key fire protection specialism.
Please refer to the ETA sheet for fields of application for this product. For further information on installation requirements please refer to the duct manufacturer data and wall specification to ensure the compatibility of this product, if in doubt please contact the technical team with services and wall specification on Tel: +(0)1329 841416 or email email@example.com
Download and review any of the following information:
Certification/Fire Test Reports:
CE Marked Documents
'DoP's are 'Declaration of Performance'
'CoC's are 'Certificate of Constancy of Performance'
'ETA' European Technical Assessment Sheet
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