Rigid PU Pre-insulated Duct Panel

Thanks to its excellent products and quality services, UNT Duct is one of the leading rigid pu 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.

 

Rigid PU (polyurethane) pre-insulated duct panels are a modern, multi-layered composite material used primarily for constructing heating, ventilation, and air conditioning (HVAC) ductwork. They represent an alternative to traditional metal ducts that require separate, on-site insulation.

 

What They Are Made Of?

The panel is a sandwich construction, typically consisting of:

Core:

A rigid closed-cell polyurethane (PU) foam, which provides the primary thermal insulation.

Facings:

Both sides of the foam are bonded with protective layers, commonly embossed aluminum foil, which adds strength, corrosion resistance, and a hygienic surface.

Cut construction period and labor cost drastically

The panel is around 70% lighter than galvanized iron sheets, eliminating the whole process of cutting GI duct then wrapping external insulation on site; installation efficiency improves by 40%–60%, letting you take more projects within the same manpower and avoid labor overtime expenses.

Minimize rework and after-sale service troubles

Closed-cell PU foam features ultra-low water absorption, which completely avoids condensation, mold and rust problems commonly seen on insulated GI ducts, greatly reducing callback repairs and disputes with property owners.

Help you win bids with energy-saving highlights

The PU core delivers ultra-low thermal conductivity, cutting the building's air conditioning energy consumption by 20%–30%. It fully complies with green building energy codes, giving you a strong selling point to beat competitors during tender evaluation.

Complete matching UNTDuct supporting system for seamless assembly

We supply matched aluminum/PVC flanges, special sealant, hanging brackets and dedicated fabrication tools. All accessories fit the panel precisely to ensure airtight joints and eliminate leakage rework.

Wide application range covering most of your projects

Suitable for offices, shopping malls, hotels, hospitals, food cleanrooms, cold storage and coastal high-humidity buildings, it can satisfy nearly all commercial and central air-conditioning contracting projects.

Attractive long-term value for your clients

With a service life of 20–50 years and negligible maintenance demand, the panel lowers the building's long-term operation cost, making your quotation more persuasive and improving customer satisfaction.

We provide free operation training for your workers, standard construction drawings, on-site technical guidance and after-project consultation to help your team master panel cutting, grooving and duct fabrication quickly.

1. All-in-one integrated design removes separate on-site insulation wrapping, a time-consuming mandatory step required for conventional GI ducts.
2. The panel is roughly 70% lighter than galvanized iron sheet, making transportation, lifting and manual handling far faster with fewer workers needed.
3. Factory unified specifications and matched flanges, sealants and fittings enable direct grooving, folding and assembly without secondary cutting or modification of supporting materials.
4. Complete dedicated hand tools support fast V-grooving, angle cutting and bending on-site, allowing finished duct sections (straight runs, elbows, tees) to be fabricated rapidly at the construction floor.
5. Fewer auxiliary procedures such as anti-rust coating and external insulation fixing straps eliminate repeated workflow interruptions.
6. Overall installation efficiency is boosted by 40%–60%, shortening the whole HVAC duct construction cycle and cutting labor hours significantly.

 

How to fabricate Rigid PU Pre-insulated Straight Duct

 

 

1. marking

2. Cutting

3. Applying Glue

4. Folding

5. taping

6. Applying Profiles

7. Applying Silicone Sealant

8. Reinforcement