Intumescent Duct Sleeve
by astroflame fireseals ltd
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. CE Marked Documents
Specification Details for Intumescent Duct Sleeve (Ductwork Accessories)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that astroflame fireseals ltd is consulted before specifying.
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