PU Foam Air Duct Panels
It is a high-performance ventilation duct product, which is widely used in HVAC systems. The following is a detailed introduction:
Basic Structure: It is a sandwich structured panel. The core is polyisocyanurate (PIR) foam, which is a closed-cell insulating material. The two outer layers are aluminum sheets or aluminum foils.
Panel Structure: Silver Alu. Foil/ PU Foam/ Silver Alu. Foil
Foam Density: 50-55kg/CBM
Panel Dimension: 3950mm*1200mm*20mm or 2900*1200*20mm
Alu. Foil: 60 or 80 Micron (Embossed)
Fire Rating: Class 0 (BS476Part 6&7) or Class A (ASTM E84)

How to make Air Ducts with PU Foam Air Duct Panels
The fabrication process of Pre-insulated Air Ducts






Project Case of Pre-insulated ductwork




Performance characteristics of PU Foam Air Duct Panels

Excellent thermal insulation: The PU foam core material has a low thermal conductivity, which can significantly reduce the loss of cold and hot media in the air duct, lower the energy consumption of the HVAC system, and is suitable for ventilation scenarios with different temperature requirements.
Lightweight and easy to install: The board density is low (much lighter than traditional metal/fiberglass reinforced plastic air ducts), no heavy hoisting equipment is required, and it can be modularly spliced, shortening the construction period and reducing installation costs.
Moisture-proof, anti-corrosion and durable: The surface is mostly covered with protective layers (such as aluminum foil, PVC film), which can resist environmental moisture, prevent the core material from mold or corrosion, and extend the service life.
Advantages of PU Foam Air Duct Panels

Good sound insulation and noise reduction: The porous structure of PU foam can absorb air flow noise, reduce the resonance sound during the operation of air ducts, and improve the indoor acoustic environment (especially suitable for hospitals and hotels).
Safety, flame retardancy and compliance: Most products have passed fire protection certification. Flame retardants are added to the core materials, which can suppress combustion and reduce smoke when exposed to fire, meeting the safety standards for public and industrial buildings.
Clean and easy to maintain: The surface is smooth and flat, not prone to dust accumulation or condensation. Daily cleaning only requires simple wiping, making it suitable for scenarios with high air hygiene requirements such as clean rooms and food workshops.
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