Aluminium insulated hose is made with 3 layers for the inner core - 2 metalized polyester and 1 aluminium. Then a 25mm wrap of glass wool. The three layer outer core is made from - 2 polyester layers and 1 aluminium layer. The hose is also wire reinforced to give strength and maintain its form. Ideal for ducting in cold loft and roof areas where condensation could be a concern. Manufactured to BS476 parts 6&7. Available in diameters from 102mm to 508mm and supplied in standard lengths of 10 metres.
Technical static working temperature -30 degrees C to +150 degrees C. Maximum working pressure 3000 Pa. Maximum air velocity 30 m/s. Approved to M1 fire standards. Requires duct tape to ensure joints are sealed.

