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Pre‑insulated PIR HVAC Duct

Pre‑insulated PIR HVAC duct is a high‑performance rigid air duct system made of polyisocyanurate (PIR) foam core bonded with double‑sided aluminum foil facings.It is specially designed for HVAC, ventilation, air conditioning, and cleanroom applications, replacing traditional sheet metal ductwork.

Key Structure

Core: Rigid closed‑cell PIR foam

Surface: Double‑sided aluminum foil (or multi‑layer composite foil)

Form: Duct boards, panels, or prefabricated duct sections
Size: 3950*1200*20mm
Foam Density: 50kg/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)

Main Features of Pre‑insulated PIR HVAC Duct

Excellent Thermal Insulation

Low thermal conductivity
Stable performance in high and low temperatures
Reduces energy loss and air conditioning load

Lightweight & Fast Installation

Much lighter than GI / metal ducts
Easy to cut, assemble, and install on site
Greatly reduces labor cost and construction time

Fire Retardant & Safe

Self‑extinguishing material
Low smoke density
Meets international fire standards such as ASTM E84

Airtight & Durable

High airtightness to avoid air leakage
Moisture‑proof, corrosion‑resistant, mold‑resistant
Long service life

Sound Absorption

Reduces airflow noise and vibration
Improves indoor comfort

Advantages Over Traditional Metal Duct

1. All‑in‑one Integrated Structure

Pre‑insulated PIR duct combines duct body, insulation, and protective layer into one panel.It acts as air duct + insulation + air barrier at the same time, unlike traditional metal ducts.

2. No Extra Insulation Needed

Traditional GI ducts require separate insulation work after installation.PIR duct already has a high‑efficiency foam core, eliminating on‑site insulation wrapping.