highly flexible acoustic duct designed to meet the growing demand
for lower noise levels. Interlock Type 900 is constructed from
high attenuation spun bonded scrim inner core wrapped in 25mm
sound absorbent insulation, reinforced with an aluminium laminate
vapour barrier sleeve with a class 1 surface spread of flame.
Available in 5 metre lengths in bore sizes from 80mm
Dia. to 600mm Dia. in 50mm increments from stock.
Special sizes and lengths can be manufactured
Insulated ventilation duct where noise is a problem.
Construction: Spun bonded filter inner core wrapped in
25mm sound absorbent insulation in a reinforced aluminium laminate
Temperature: -20°C to + 120°C