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  Home > Fire Stop Products > Duct Sleeve

Intumescent Duct Sleeves |  Rectangular & Circular Types.
Intumescent Duct Sleeves |  Rectangular & Circular Types.

Intumescent Duct Sleeve - CE Marked

Astroflame Intumescent Duct Sleeves - CE Marked

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.

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 Data

CE InformationCE Marked Documents
'DoP's are Declarators of Performance
'CoC's are 'Certificates of Constancy'

DoP Astro DS Duct Sleeve

CoC Astro DS Duct Sleeve

Astro DS Duct Sleeve ETA


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.


Astro DS Duct sleeves are currently available in the following nominal sizes:

Width [mm]
Height [mm]
Length [mm]
Product Ref
Duct Sleeve
Duct Sleeve
Duct Sleeve
Duct Sleeve
Duct Sleeve - 103 diam. 150 AFDSC100X
Duct Sleeve - 127 diam. 280 AFDSC127X


Our Price: £16.13

Prices include VAT.

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