Thanks to its excellent products and quality services, UNT Duct is one of the leading pir alu pre-insulated duct panel 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.
PIR ALU Pre-insulated Duct Panel
PIR ALU Pre-Insulated Duct System is an innovative HVAC ductwork technology, serving as a high-performance alternative to traditional GI (Galvanized Iron) ducts. Specifically engineered for fresh air, supply air, return air, and exhaust air applications in HVAC systems, it is widely applicable to residential, commercial, industrial, public, and leisure sectors-suitable for both new construction and refurbishment projects.
At its core, the system features PIR-ALU panels with a unique fiber-free sandwich structure: a rigid polyisocyanurate (PIR) insulation core laminated on both sides with embossed aluminum foil. Manufactured using a blowing agent with zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP), the PIR core aligns with environmental sustainability standards.
Panel Structure: Silver Alu. Foil/ PIR Foam / Silver Alu. Foil
Foam Density: 52kg/m3
Standard Size: 3950mm*1200mm
Thickness: 20mm
Alu. Foil: 60 or 80 Micron
Packing: 10 sheets/ package
PIR ALU Pre-insulated Duct Panels
are also available with thickness 10, 12, 15, 20, 25, 30, 40mm.

Key Advantages of the PIR ALU Pre-insulated Duct Panel:
- Great Thermal Performance: Keeps heat transfer low to save energy and make the system work better.
- Lightweight: Easy to carry and install, which saves labor costs and speeds up the project.
- Green & Safe: Uses eco-friendly materials that do not harm the environment.
- No Air Leaks: The tight seal stops air from escaping, so the system runs efficiently.
- Durable & Clean: Aluminum foil on both sides prevents rust, keeps it clean, and looks good.
- Waterproof & Quiet: The closed-cell design stops water damage and reduces noise.
- Cost-Effective: Simple to make and install, and easy to maintain, saving money over time.
- Space-Saving: No extra parts sticking out, so it fits in small spaces easily.
By combining these benefits, the PIR ALU Pre-Insulated Duct Panel is a great choice for modern HVAC systems. It offers better performance, saves energy, and is cost-effective.
certification of PIR ALU Pre-insulated Duct Panel
Fire Safety, Thermal Conductivity and Physical Performance

BS 476 Part 6&7

ASNZS 1530.3

thermal Conductivity

Compress Strength

CFC HCFC Free
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