PIR HVAC Foam Duct
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/ PIR 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)

Main performance of PIR HVAC Foam Duct
High-efficiency heat insulation and energy saving: The extremely low thermal conductivity of PIR foam can effectively reduce heat transfer, lower energy loss during the cooling or heating process of air conditioning systems, and achieve significant energy-saving effects. In long-term use, it can help users save a large amount of energy costs.
Lightweight, strong and durable: Compared with traditional galvanized iron (steel metal) air ducts, PIR HVAC Foam Duct is lighter in weight, which is convenient for transportation and installation, and can reduce the construction difficulty and labor cost.
Outstanding fire resistance: PIR foam itself has a high level of flame retardancy. When exposed to fire, it can form a protective carbon layer to prevent the spread of flames, providing a strong guarantee for building fire safety and meeting strict fire protection standards.
Good air quality guarantee: The inner surface of the air duct is smooth. If the product is covered with smooth aluminum foil, it also has antibacterial properties, which can reduce the adhesion and breeding of pollutants during the air transportation process, ensure the cleanliness of the transported air, and provide a high-quality indoor air environment.
certification of PIR HVAC Foam Duct
Fire Safety, Thermal Conductivity and Physical Performance

BS 476 Part 6&7

ASNZS 1530.3

thermal Conductivity

Compress Strength

CFC HCFC Free
How to make Air Ducts with PIR HVAC Foam Duct
The fabrication process of Pre-insulated Air Ducts






Project Case of Pre-insulated ductwork




Application Scenarios of PIR HVAC Foam Duct

This air duct is mainly composed of polyisocyanate (PIR) foam core material and covering materials on both sides. PIR foam serves as the core and features outstanding heat insulation performance. Common covering materials on both sides, such as 60/80-micron aluminum foil, 150-200-micron aluminum plate, pre-coated galvanized iron sheet or glass fiber thin felt, not only protect the foam core material but also meet the special requirements of different application scenarios for air ducts.
Due to its outstanding performance, it is widely used in the HVAC systems of various buildings, including commercial buildings such as shopping malls and office buildings, industrial buildings such as factories and workshops, as well as places with high requirements for air quality and energy conservation, such as hospitals, food processing plants, clean rooms, etc.
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