Flexible, insulated, sound-proofing duct with internal wall made of micro-perforated aluminium/polyester material incorporating a helical reinforcement in harmonic steel wire; insulated with a covering of high thermal-sound insulation material (thickness 25 mm), outer anti-vapour protection in aluminised kraft paper reinforced with fibreglass mesh.
Suitable for noise reduction in air-conditioning, heating and suction
systems with low, medium and high pressure.
Credits
web developed
