The PHONI-ALU range is specially designed to solve problems caused by noisy ventilation. It is a flexible, compressible insulated duct in aluminium 8011 provided with thermal and noise insulation consisting of 25mm of glass wool (density 16 kg/m³) : - The inner sleeve is consists of 3 layers of rolled aluminium foam-backed and micro-perforated to trap the ventilation noise - The outer sleeve is a vapour barrier in very strong textile-reinforced aluminium.
Classification with fire: Internal M.0 and external M.1. Temperature of use: 250°C maximum. Flexible duct supplied compressed.
Packed in standard cartons of Compacted length of 1.25m containing 10m usable.
