PIR Aluminum Pre-insulated Duct

Thanks to its excellent products and quality services, UNT Duct is one of the leading pir aluminum pre-insulated duct 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.

 

 

Tired of rusting, leaking, or inefficient traditional ductwork?

Upgrade to the future of air management with PIR Aluminum Pre-insulated Ducts-the lightweight, high-performance solution revolutionizing HVAC systems for commercial buildings, villas, and industrial projects.

 

What is it?
Imagine a duct that is also its own insulation. Our PIR (Polyisocyanurate) duct panels consist of a rigid closed-cell foam core, bonded under high pressure between two anti-corrosion aluminum facings. The result? A single, ready-to-install component that replaces the old "sheet metal + fiberglass + wrapping" method.

✅ Superior Energy Savings
PIR foam has the lowest thermal conductivity in the industry (as low as 0.022 W/m·K). This means less cool/heat loss, lower electricity bills, and a smaller carbon footprint for your building.

✅ Indoor Air Quality First
Unlike traditional fiberglass liner that can degrade, harbor mold, or release fibers into the airstream, the smooth, non-porous aluminum interior surface inhibits bacterial growth and is easy to clean. Breathe healthier air.

✅ Lightweight & Fast Installation
PIR ducts weigh only 1/5th of sheet metal. This reduces building structural load and allows for quick, tool-friendly fabrication on-site. No heavy machinery, no complex wrapping-just precise, snap-lock assembly. Save up to 50% on installation labor.

✅ Incredibly Durable

Corrosion-resistant: Perfect for coastal or humid environments.

Fire-safe: PIR core is self-extinguishing (meets ASTM E84, Class A standards with low smoke development).

Leak-free: Airtight joints prevent the 20-30% leakage common in metal systems.

✅ Quiet & Condensation-Free
The foam core naturally absorbs vibration and reduces structure-borne noise. Plus, the high thermal resistance eliminates sweat and dripping-protecting your ceilings and equipment.

The UNTDuct PIR System stands apart as the most advanced and innovative pre-insulated air distribution ductwork solution worldwide. Proven for its ease of installation and maintenance, it represents a breakthrough in air distribution technology.

More than just pre-insulated PU aluminum panels, the UNTDuct PIR Ductwork System is a comprehensive solution - complete with precision-engineered accessories, specialized machinery, purpose-built tools, and expert know-how - ensuring flawless construction and installation.

PIR Pre-insulated Duct Panels

High-performance sandwich panels featuring rigid polyurethane (PU) insulation, fully clad with durable aluminum foil or aluminum sheets for superior duct construction.

pre-insulated Duct Accessories:

Flanges, section bars, and specialized fittings designed for seamless duct joining and installation.

Manual Cutting Tools and cNC router Equipment:

State-of-the-art bending machines, manual cuting tools and CNC Router Machine, enabling professional fabrication and installation-whether in a fully equipped workshop or directly on-site.

Pre-insulated Ductwork Know-How:

We provide unparalleled technical and commercial support to consultants and contractors, guaranteeing optimal system performance.

certification of PIR Aluminum Pre-insulated Duct

 

 

Fire Safety, Thermal Conductivity and Physical Performance

BS 476 Part 6&7

ASNZS 1530.3

thermal Conductivity

Compress Strength

CFC HCFC Free