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PIR HVAC Ducting

PIR HVAC Ducting constitute a high-performance and eco-conscious solution for modern HVAC systems.

Designed as an integrated sandwich composite with aluminum foil facings and a rigid PIR foam core, they surpass conventional galvanized steel ducts that require separate on-site insulation work.

Thanks to low thermal conductivity and optimised material composition, these duct panels help cut energy consumption throughout the system lifecycle.

Free from harmful blowing agents and boasting outstanding thermal stability, they align with sustainable building standards. Widely specified for hotels, office buildings, airports, hospitals and a broad range of commercial and public green building projects.

Technical Data Sheet And Certificate of PIR HVAC Ducting

Property	Specification	Explanation
Foam Density	50-55kg/m³	Provides rigidity and durability
Aluminum Foil Thickness	60/80 microns	Adds durability and insulation
Thermal Conductivity	0.02 W/m·K	Offers excellent thermal insulation to minimize energy loss
Fire Rating	BS 476 Part 6 & 7 Class 0	Ensures strong fire resistance
Compressive Strength	0.25 MPa	Provides reliable structural support
Bending Strength	2 MPa	Allows flexibility to withstand bending without cracking
Water Absorption	0.1%	Ensures high moisture resistance
Dimensional Stability	0.3%	Maintains stability in varying environments
Maximum Wind Velocity	13-20 m/s	Suitable for high-velocity airflows
Maximum Operating Temperature	80℃	Ideal for high-temperature environments

Material and Structural Characteristics of PIR HVAC Ducting

Advantages of the core insulation layer:

It adopts polyisocyanate (PIR) foam base material, with a thermal conductivity as low as 0.022 W/(m · K). Its insulation and heat insulation performance far exceeds that of traditional rock wool and glass wool. It can effectively prevent the heat exchange between the cold/hot air inside the air duct and the external environment, reduce energy loss, and lower the energy consumption of the air conditioning system operation.

Composite structure design: It adopts an integrated structure of "insulation layer + outer protective shell". The outer protective shell can be made of materials such as aluminum foil, color steel plate, and PVC, which has excellent moisture-proof, anti-corrosion and anti-aging performance. It can prevent the insulation layer from absorbing moisture and failing, and extend the service life of the product. The inner layer is closely attached to the air duct, reducing air gaps and enhancing insulation and sealing performance.

Stable physical properties: The product has a uniform density (50-55 kg/m³), a compressive strength of ≥250 kPa, is not prone to deformation or collapse, and can withstand minor collisions during installation and use. It also has excellent flame-retardant performance (reaching B1 grade flame-retardant standard), and has low smoke toxicity when exposed to fire, ensuring safe use.