Astroflame Intumescent Duct Sleeve
Astroflame Intumescent Duct Sleeves are intended for use where a ventilation duct passes through a fire rated wall, maintaining the integrity of the fire rated wall which would otherwise be lost. In the event of a fire, the advanced Duct Sleeve will expand with the heat, crushing the duct and closing off the hole to the fire for at least 120...
£21.54 (incl. VAT)
£17.95 (ex. VAT)