Thanks to its excellent products and quality services, UNT Duct is one of the leading pre insulated hvac ducts manufacturers and suppliers in China. Welcome to buy the high quality and customized products from our factory. We will offer you the best service and fast delivery.
Pre Insulated HVAC Ducts
Polyurethane (PU) Foam Pre-Insulated HVAC Ductwork Panel is a high-performance, all-in-one solution designed for modern heating, ventilation, and air conditioning (HVAC) systems. Built with a precision-engineered sandwich structure, it features a dense polyurethane (PU) foam core-celebrated for its exceptional thermal insulation properties-sandwiched between two protective layers of corrosion-resistant aluminum foil. This factory-prefabricated panel merges insulation, structural strength, and airtightness into a single component, eliminating the need for separate insulation installation and streamlining ductwork setup in diverse buildings.
Structure: Silver Aluminum/ PU Foam/ Silver Aluminum
Size: 4000*1200*20mm
Foam Density: 40-45kg/m3
Aluminum Thickness: 0.06mm or 0.08mm
Aluminum Color: Silver
Packing: 10 sheets/ package
Loading Capacity: 710 sheets/ 40'HQ (packed with plastic bags)
660 sheets/ 40'HQ (packed with cardboard box)
How to make Air Ducts with Pre Insulated HVAC Ducts
The fabrication process of Pre-insulated Air Ducts
From the perspective of project delivery efficiency
High degree of process integration: Factory prefabrication + on-site assembly, eliminating multiple processes such as sheet metal fabrication, insulation covering, and external protection, resulting in a 3-5 times increase in installation efficiency and a 50% or more reduction in construction period.
Cost reduction for labor and machinery: Self-weight is only 1/3 - 1/5 of traditional ducts, no need for heavy lifting, and most of the installation can be completed by 2-3 people, reducing the risk of high-altitude work.
More tidy on-site: No large amounts of waste or dust, suitable for projects with high requirements for construction environment such as high-end decoration and clean spaces.
From the perspectives of energy efficiency and operation and maintenance costs
Superior insulation performance: The thermal conductivity is as low as 0.018–0.022 W/(m·K), eliminating cold bridges and reducing heat loss by 25%–30%. In large-scale projects, annual electricity savings can reach 8%–12%.
Outstanding airtightness: The special sealing process ensures a leakage rate of ≤2%, far superior to the 8%–15% of traditional ducts, significantly reducing the load of the main unit and energy consumption.
More cost savings throughout the entire life cycle: Reducing the risks of insulation detachment, condensation, and rust, lowering maintenance frequency, and extending the service life.
From the perspectives of indoor environment and health safety
Anti-mildew and anti-condensation: Closed-cell structure + aluminum foil barrier against moisture, preventing mold growth at the source and improving air supply hygiene.
Noise reduction and comfort: The core material has sound absorption function, reducing air flow noise and vibration transmission, improving the acoustic environment in offices, medical facilities, and educational institutions.
More reliable fire resistance: PIR / phenolic system will not drip or produce smoke when exposed to fire, and is non-toxic, meeting the fire protection requirements for high-rise buildings and densely populated areas.
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