duct board

Air Conditioning Duct Series (Phenolic Insulation Board, Air Conditioning Duct Board, Etc.)

Double-sided aluminum foil phenolic board-different thicknesses

WT is proud to introduce our top-of-the-line duct board range, meticulously crafted to meet and exceed your HVAC needs. Our duct boards are the ideal solution for efficient and safe air flow management in a variety of settings.

WT’s range of duct boards, including hvac duct board and fiberglass duct, is designed with your needs in mind. Our products guarantee quality, safety, and efficiency, making them the go-to choice for professionals and DIY enthusiasts alike. Choose WT for duct board insulation that you can trust.

Optimized Duct Board Features:

  1. Varied Thickness for Custom Fit: Choose from a diverse range of thicknesses, spanning from 10 to 30 millimeters. This variety ensures that you find the perfect duct board insulation for your specific requirements, whether it’s for residential or commercial HVAC systems.

  2. Surface Material Selection: Our duct board sheets come with a wide array of surface materials. Options include double-sided aluminum foil, single-sided aluminum foil, and color steel in both single and double-sided finishes. Additionally, we offer single-sided PVC and other laminating materials. This flexibility allows you to select the best-suited material for your project, ensuring optimal performance and aesthetic appeal.

  3. Safety and Certification: Safety is a priority at WT. Our ac duct board is certified with the UL181/A2 class non-flammable standard. This certification is a testament to our commitment to providing duct boards that are not only efficient but also prioritize fire resistance, offering peace of mind to building occupants.

  4. Ideal for a Variety of Applications: Whether it’s fiberglass duct board or fiberboard ductwork, our products are designed for exceptional performance. They are an excellent choice for HVAC duct board applications, ensuring efficient air distribution.

  5. Accessibility and Convenience: Looking for ‘duct board near me’? WT’s products are readily available, ensuring you have access to high-quality hvac fiberglass duct board and fiberglass insulation ductwork wherever you are. Our 4×8 duct board and 1 inch duct board options are especially popular, catering to a wide range of insulation applications.

  6. Performance and Durability: Our fiber duct board and air duct board are known for their durability and high R-value, ensuring effective insulation and energy efficiency. They are designed to resist microbial growth, maintaining the quality of air in your environment.

  7. Trusted Brands and Quality Materials: We incorporate materials from renowned brands like Owens Corning and Johns Manville, ensuring our duct boards offer a high standard of quality. The fibrous glass used in our products enhances their insulation properties, making them a smart choice for modern construction needs.

Introduction To air Conditioning Duct Panels With Different Surface Materials:

WT proudly introduces our versatile range of duct board solutions, catering to diverse HVAC and insulation needs. Our products, designed with cutting-edge technology and materials, offer the perfect blend of functionality and aesthetics for various applications.

①Aluminum Foil Phenolic Composite Insulation Board

  • Single/Double-Sided Options: This duct board sheet features either single or double-sided thickened embossed aluminum foil. The WT aluminum foil phenolic composite insulation board is a high-tech innovation, perfect for efficient HVAC duct board applications.
  • Advanced Sandwich Structure: Its sandwich-like structure is crafted from phenolic foam and specialized aluminum foil, providing a robust insulation solution. The double-sided non-woven fabric enhances layer bonding, ensuring long-lasting durability.
  • Applications: Ideal for air conditioning duct panels, this ac duct board offers fine cells, uniform density, and exceptional thermal insulation performance.

②Color Steel Phenolic Composite Insulation Board

  • Single/Double-Sided Variants: Choose from either single or double-sided color steel options. This innovative duct board insulation material builds on the aluminum foil phenolic board’s success.
  • Strength and Aesthetics: With color steel replacing aluminum foil, this duct board gains enhanced strength and durability. Its customizable color options allow for aesthetic integration with various environments.
  • Usage: Widely used in central air conditioning and ventilation systems in public, civil, and industrial buildings.

③Galvanized Steel Phenolic Board

  • Embossed Iron Sheet Design: This duct board introduces galvanized embossed iron sheets as an alternative to aluminum foil, boosting strength and durability. This fiber duct board stands out for its robustness.
  • Enhanced Features: The embossed texture not only improves aesthetics but also enhances sound absorption capabilities.
  • Diverse Applications: Suitable for various HVAC insulation board applications, particularly in environments requiring extra strength and aesthetic value.

④Fiberglass With Cement Coating Phenolic Insulation Board

  • Cement Cloth Outer Layer: This fiberglass duct board uses cement cloth instead of aluminum foil, offering a unique three-layer structure. It’s a significant advancement in hvac fiberglass duct board technology.
  • Fireproof and Thermal Insulation: This board excels in fireproofing and thermal insulation, making it a top choice for safety-conscious projects.
  • Customization Options: Tailor this fiberglass board insulation for ductwork to meet specific project needs.

⑤Mesh-type Phenolic Insulation Board

  • Embossed Aluminum Foil Surface: This duct board features a unique grid pattern, enhancing the board’s aesthetics and allowing for greater customization.
  • Elegant Appearance: Perfect for applications where appearance is key, this 1-inch duct board offers a visually appealing solution without compromising on performance.

Installation Accessories:

Weiteng air conditioning duct panel installation accessories

Key Installation Accessories for Duct Board Systems:

  1. Gaskets and Inserts: We offer a variety of gaskets, including round and corner gaskets, essential for creating airtight seals in your duct board installation. Our PVC inserts add an extra layer of stability, ensuring your hvac duct board and ac duct board are securely fitted.

  2. Specialized Tools and Flanges: To facilitate precise installation, we provide specialized tools tailored for fiberglass duct board and fiberboard ductwork. Our PVC flanges and 90-degree cover plates are crucial for a neat and professional finish, especially in fiber duct board systems.

  3. Essential Adhesives and Tapes: No duct board installation is complete without our high-quality aluminum foil tape. It’s ideal for securing hvac fiberglass duct board and air duct fiberglass insulation, providing a durable and reliable seal. Our purpose-made adhesive is formulated for fiberglass insulation ductwork, ensuring a strong bond and long-lasting performance.

  4. Electric Tools: Our electric tools are specifically designed for cutting and shaping fiberglass board insulation for ductwork and hvac insulation board. They offer high precision and ease of use, making your duct board sheet installation effortless.

  5. Comprehensive Solutions: Whether you’re looking for 1 inch duct board, 4×8 duct board, or fiberglass ductboard, our accessories complement them perfectly. We also cater to those searching for ‘duct board near me’ or the best ‘duct board price’, ensuring that our high-quality products are accessible and affordable.

  6. Trusted Materials: In line with brands like Owens Corning and Johns Manville, our products are designed to offer high R-value, resist microbial growth, and are suitable for a range of insulation applications, including air handler fiberglass insulation.

 Installation Process

Air conditioning duct installation diagram

WT Phenolic Composite Air Duct System Display:

Phenolic composite air duct

WT phenolic composite air duct system diagram:

  1. Air conditioning units     
  2. Device soft connection   
  3. Inspection hole     
  4. Air supply static pressure box 
  5. Aluminum protective disc   
  6. Reinforcement rod         
  7. Fireproof connection   
  8. Wall bushing protection       
  9. Flexible air duct     
  10. Branch pipe connection flange system
  11. Air volume regulating valve
  12. Installed on the side wall of the air duct grille air outlet
  13. Reinforcement ring
  14. Air outlet connection flange system
  15. Foil tape
  16. Sealants
  17. Adhesive
  18. Suspension device
  19. flange
  20. air duct
  21. Waterproofing

Application Scenarios:

WT’s duct board range is expertly engineered for the modern HVAC industry, embodying innovation and quality for various applications. Our duct boards, including hvac duct board, ac duct board, and fiberglass duct board, are essential components for efficient and safe climate control systems.

Exceptional Quality and Safety: Our duct board insulation stands out with its remarkable flame-retardant and fire-preserving features, ensuring the safety of building occupants. In line with top brands like Owens Corning and Johns Manville, our products offer a high R-value, making them an optimal choice for thermal insulation. The non-flammable nature of our duct boards, including the popular 4×8 duct board and 1 inch duct board, adds an extra layer of security, especially in areas where fire safety is paramount.

Enhanced Comfort and Efficiency: Each hvac fiberglass duct board and air duct board in our selection is designed to significantly reduce sound, contributing to a quieter, more comfortable environment. This sound-absorbing quality, combined with the anti-bacterial and mildew-proof properties, makes our duct boards a health-conscious choice, effectively combating microbial growth and ensuring cleaner air circulation.

Versatile Applications: From fiberglass hvac duct to fiber duct board, our range caters to a variety of needs. The fiberglass insulation ductwork is ideal for air handler fiberglass insulation, and our fiberboard ductwork is perfect for specialized applications. Whether it’s for residential or commercial use, our duct boards are versatile, durable, and suitable for any setting.

Accessibility and Affordability: Wondering where to buy duct board? WT’s products are readily available, offering the best duct board price without compromising on quality. You can easily find ‘duct board near me’ with our wide distribution, ensuring that our top-notch duct boards, including fiberboard duct and fiberglass ductboard, are within reach for your next project.

Eco-Friendly and Durable: Our duct boards are made with fibrous glass, offering an eco-friendly insulation solution without sacrificing performance. This material choice not only offers high insulation efficiency but also ensures long-lasting durability, making it a sustainable choice for both the environment and your project.

In summary, WT’s duct board range, with options like hvac insulation board and plenum board, is the ideal choice for anyone seeking quality, safety, and efficiency in their HVAC systems. Our products, designed with the end-user in mind, ensure that every installation enhances the overall climate control experience, providing comfort and peace of mind for building occupants. Choose WT for duct board solutions that blend innovation with practicality.

Our Air Conditioning Duct System Solutions

Find out more about our products


“Durable duct plate, precision-engineered for optimal airflow. Made of high-quality material, ensuring longevity and resistance to wear. Streamlined design guarantees easy installation and a seamless fit in your duct system.

Duct boards have excellent flame-retardant, fire-preserving, thermal insulation, sound-absorbing, anti-bacterial and mildew-proof properties. 

In the field of climate control, air conditioners stand out as a symbol of human innovation, ensuring optimal comfort under different environmental conditions. Central to the functionality of these systems is the often overlooked duct panel.


  • Thickness Options: Standard profiles of 20mm, 25mm, and 30mm, with customization available.
  • Robustness: Boasting a tensile strength of ≥1.1MPa and a compressive force of ≥0.18MPa.
  • Tailored Dimensions: Standard sizes range from 2000×1200 to 4000×1200 mm. Custom sizes available.
  • Efficient Airflow: Experience ≤1.2% air leakage and handle up to 15M/s airflow.
  • Aluminum Foil Choices: Options from 0.025 to 0.08 mm for heat and moisture management.
  • Superior Thermal Attributes: A resistance of 0.86m^2K/W and conductivity between 0.019-0.02W (mK).
  • Safety First: Smoke concentration ≤9, no toxic emissions, and a formaldehyde release of ≤0.5Mg/L.
  • Moisture Management: Absorption rates as low as ≤3.7%.
  • Stability & Tolerance: Withstands -150℃ to 150℃ and retains ≤2% stability at 70±2℃ over 48 hours.
  • Impressive Fire Resistance: Achieves >1.5 hours of resistance with an A fire rating.

Application of Duct Board:

Air Duct
Central Air Conditioning
Duct Board
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