China's Largest HVAC Duct Board Manufacturer
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✅ Single-Step Installation Saves Time & Labor
✅ Superior Thermal Performance
✅ Consistent Quality & Air Tightness
✅ Lightweight & Easy to Handle
✅ Hygienic & Fiber-Free
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Pre-Insulated Phenolic Duct Board & Foam Duct Panel Systems
Our high-performance phenolic pre-insulated duct board and panel solutions deliver a next-generation alternative to traditional HVAC duct fabrication. As a specialized supplier of phenolic foam duct insulation boards and complete pre-insulated phenolic ductwork systems, we engineer our products to combine superior thermal performance, fire safety and fast on-site installation for commercial and industrial HVAC projects. Our product range includes foil faced phenolic foam insulation duct boards and reinforced color steel / galvanized phenolic duct panels, suitable for both concealed and exposed phenolic ducting applications.
Foil Faced Phenolic Pre-Insulated Duct Board
Lightweight Structure for Reduced Building Load
This phenolic duct board features an ultra-light phenolic foam core that significantly lowers structural load on buildings. The streamlined, precision fabrication process and tight joint design deliver excellent air tightness, minimizing air leakage across the phenolic pre insulated duct system to deliver superior energy efficiency.
Hygienic & Eco-Friendly Air Supply
Clad with corrosion-resistant embossed aluminum foil on exterior surfaces, this phenolic foam duct board generates no dust or fiber shedding internally, ensuring clean, hygienic air delivery. It is a preferred phenolic duct insulation solution for offices, hotels, supermarkets and commercial buildings.
Superior Thermal & Acoustic Performance
With inherently low thermal conductivity, our phenolic foam duct insulation provides outstanding thermal insulation and sound absorption performance, effectively preventing condensation and reducing energy loss through duct walls.
Class B Flame Retardant Foam Core
The core of this pre-insulated phenolic duct panel is high-density phenolic foam, with excellent inherent flame retardancy that meets China’s national Class B flame-retardant standard for composite materials.
Premium Finish for Exposed Installations
The phenolic duct panel features a smooth, high-quality appearance with excellent durability and aging resistance, making it ideal for exposed phenolic ductwork and visible duct installations.
Color Steel & Galvanized Pre-Insulated Phenolic Ductwork Systems
High Rigidity & Durable Aesthetic Design
This heavy-duty phenolic foam duct board delivers exceptional rigidity and structural strength, with minimal deformation under high air pressure to support high-pressure air systems. Its robust structure resists damage during fabrication, transportation, handling and installation. Finished with color steel sheets on both inner and outer surfaces, it features a smooth, elegant finish, corrosion resistance and superior weatherability, with a service life of over 30 years. Easy to clean and sanitize, it is especially suitable for cleanroom projects and delivers a premium look for exposed phenolic ductwork.
Factory-Laminated High-Efficiency Insulation
This pre-insulated phenolic duct panel is factory-laminated with a phenolic foam insulation core in a single integrated process, eliminating on-site manual insulation work and associated quality defects. It prevents condensation in air handling systems, reduces surface heat loss and microbial growth, and cuts energy loss through duct walls. With exceptional air tightness, its air leakage rate is 50–60% lower than the national standard, ensuring reliable phenolic duct insulation performance and lower long-term HVAC operating costs.
Reduced Structural Load & Simplified Installation
With lightweight phenolic insulation duct board as the core material, the complete phenolic duct system has a low overall weight. It effectively reduces load on building structures and lowers requirements for hanging and mounting hardware, streamlining on-site installation of phenolic ducting systems.
Fast Mechanized Fabrication & Construction
Cutting and forming of the phenolic foam ductwork and its connecting flanges are mostly mechanized, ensuring consistent dimensional accuracy, improving production efficiency and shortening overall construction lead times for full phenolic ductwork installations.
Product Application Summary
Whether you require standard foil faced phenolic foam duct panels for light commercial projects, heavy-duty color steel pre-insulated phenolic duct board for industrial facilities, or custom phenolic ductwork solutions for specialized applications, our products deliver consistent quality and proven performance for modern HVAC systems. All our phenolic duct insulation boards are manufactured to strict quality standards, supporting reliable, energy-efficient and long-lasting duct installations.
Why Choose Us
China's Largest HVAC Duct Board Manufacturer | Guibao New Materials · Est. 1984
Rich Industry Experience
With over 40 years of experience in the HVAC industry, we have completed more than 10,000 projects worldwide.
Strong Production Capacity
We run 10 advanced automated production lines with a daily capacity of 30,000 sq.m, ensuring reliable quality and on-time delivery for large orders.
Professional Technical Team
Our experienced engineering team provides one-stop customized solutions and full-process professional technical support for all your project demands.
Competitive Factory Price
As a direct manufacturer without middlemen markup, we offer genuine factory direct prices, helping you save up to 20% cost compared with trading companies.
Comprehensive After-sales Service
We provide complete after-sales support, including on-site installation guidance, professional technical training and efficient problem solving anytime.
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