Thanks to its excellent products and quality services, UNT Duct is one of the leading polyurethane hvac 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.
Polyurethane HVAC Duct Panel
Built around high-performance PU foam core, our PU insulation duct boards are lightweight composite materials. Combining superior thermal insulation, robust mechanical strength and official fire-rated performance in a single structure, they are a versatile choice for all HVAC construction applications.
Thanks to its modular and all-in-one design, this duct solution reduces overall energy consumption, greatly boosts on-site installation efficiency, and keeps ventilation running stably for years to come.
Structure: Silver Aluminum/ PU Foam/ Silver Aluminum
Size: 3950*1200*20mm
Foam Density: 48kg/m3
Aluminum Thickness: 0.06mm or 0.08mm
Aluminum Color: Silver and Black
Packing: 10 sheets/ package
Loading Capacity: 710 sheets/ 40'HQ (packed with plastic bags)
660 sheets/ 40'HQ (packed with cardboard box)
Construction Efficiency and Cost of Polyurethane HVAC Duct Panel
Integrated prefabricated panels allow one-stage cutting and assembly, effectively shortening construction schedules:
Labor Efficiency Metrics
When fabricating an equal area of ductwork, traditional galvanized steel duct systems involve subsequent external insulation procedures, with a daily output of 18 m² per worker. PIR pre-insulated panels are assembled directly on-site, reaching a daily output of 30 m² per worker. Accordingly, installation time is reduced by 40%–60%, and labour costs drop by 45%.
Full-Lifecycle Cost Breakdown
Despite higher unit costs for the panels compared to galvanized steel sheets, expenses for secondary insulation, damp-proof membranes and abundant hangers are eliminated. The total cost of the complete duct system is equivalent or up to 8% lower.
Transportation Merits
Foldable packaging maximises cargo utilisation, lifting vehicle loading volume by 2.3 times and cutting domestic and marine logistics expenditure by 50%. Such logistics advantages stand out for overseas projects executed under DAP Incoterms.
Comprehensive Breakthroughs in Performance and Cost
Polyurethane HVAC Duct Panel gains competitive edges via multiple merits:
✅ High thermal insulation & energy efficiency: PU foam reduces energy consumption by 15%-20% for commercial buildings vs traditional ducts.
✅ Lightweight: 20mm duct weighs 5kg/㎡, 1/3 the weight of GI ducts, easing transport and reducing building load.
✅ Excellent airtightness: Low air leakage improves ventilation efficiency.
✅ Fire safety: Flame-retardant PU slows fire propagation.
✅ Moisture resistance & sanitation: Resists dampness and mold to guarantee clean air.
✅ Noise reduction: Absorbs airflow noise.
✅ Good adaptability: Elegant surface matches various decoration styles without extra finishing.
Fire protection, durability and operation and maintenance costs of Polyurethane HVAC Duct Panel
Fire Safety
PU foam core: Class B1 flame retardant; aluminium foil surface: A1 non-combustible. Low smoke output and no dripping while burning. Complies with BS 476 and EN 13501, ideal for high fire-risk sites: data centres, subways and hospitals.
Long Service Life
Strong corrosion resistance. 95% strength retained after 720 hours acid/alkali immersion; no rust or pulverisation. Designed service life: 20 years. Galvanized steel ducts rust easily (5–8 years lifespan); phenolic ducts crack within 3–5 years.
Lower O&M Costs
Built-in moisture and corrosion resistance; no yearly rust removal and repainting required. Annual maintenance cost equals only 30% of traditional ducts. Low air leakage lessens load on main units, cutting fan loss and maintenance frequency. Total life-cycle costs are reduced by 30%–40%.
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