Flexible air duct 508mm (20") non-insulated

Flexible air ducts are multilayer products, in which the inner layer is always made of metallized polyester. It is tightly intertwined with wire, which acts as reinforcement. They are connected to each other with a steel spring. The outer surface of the pipe is covered with foil-clad PVC and additionally insulated with polyester fibers. The middle layer is usually heat-insulating. The diameter varies from 102 to 508 mm. The main advantages of this type of insulation are its ability to prevent condensation, provide sound and noise insulation. The main purpose is to use a high-quality ventilation duct for ventilation. At the same time, our company's air ducts are used as insulation and sound insulation for pipelines or chimneys. Also, this is an excellent protection of pipes from freezing in winter. Sold in 10-meter packages.