Pre-Insulated Ductwork

UL181 Certified

WT’s Pre-Insulated Duct remains unaffected by water, preserving its insulation properties and preventing added weight from retained liquid within the duct panels. Its mechanical flexibility ensures a perfect fit in any structure, making it a favored choice. Additionally, it is impervious to chemicals, and its closed-cell structure inhibits microbial growth.

WT offers comprehensive services in the design, processing, customization, and production of pre-insulated duct systems and panels, ensuring tailored solutions to meet specific project requirements.

Advantages And Disadvantages Of Pre Insulated Duct

Advantages:

  1. Excellent Thermal Insulation: Pre-insulated ducts feature integral insulation that minimizes heat loss or gain during air transfer, enhancing energy efficiency throughout the system.

  2. Moisture Resistance: The built-in insulation also helps to prevent condensation and moisture accumulation, thereby reducing the risk of mold growth and ensuring superior indoor air quality.

  3. Smooth Interior Surface: The inherently smooth interior surface of pre-insulated ducts reduces air friction and pressure drop, facilitating more efficient airflow.

  4. Quick Installation: Available in prefabricated sections or panels, pre-insulated ducts can be installed more rapidly and with less complexity compared to traditional duct materials, reducing labor time and costs.

Disadvantages:

  1. Higher Initial Cost: Although offering long-term benefits, pre-insulated ducts generally come with a higher initial investment compared to traditional galvanized iron ducts, potentially affecting project budgets.
  2. Limited Customization: The prefabrication of these ducts might restrict customization possibilities, posing challenges for intricate or non-standard HVAC system configurations.
  3. Susceptibility to Physical Damage: While handling or installing, the insulation material in pre-insulated ducts can be prone to physical damage, necessitating careful management to maintain its integrity and performance.

WHY ChOSE OUR PRODUCT

Choose our products because we are a professional manufacturer of aluminum foil composites and phenolic boards at WT. We offer high-quality, high-performance, and eco-friendly solutions to meet your diverse needs. Our products boast excellent weather resistance, thermal insulation, and fire resistance, making them ideal for construction and industrial applications.

Lightweight Construction for Effortless Installation:

WT’s pre-insulated panels are up to 50% to 60% lighter than traditional insulated ducts, facilitating quick installation. This innovative design requires minimal structural reinforcement even under extreme weather conditions. Our phenolic insulated sheets, perfect for compact spaces, significantly reduce installation time as they eliminate the need for gluing, caulking, or taping. Integrated flange connections streamline the installation process, making the assembly of air conditioning duct sections more efficient.

Ease of Installation and Extended Product Life:

Our duct systems are designed for hassle-free installation, requiring no caulking, taping, or wrapping, thus saving on labor and time. The industry-standard integrated flange connection, familiar to installers in North America and the Middle East, along with the tough structure, withstands severe conditions, promoting a prolonged product lifespan.

Energy-Saving with Superior Thermal Performance:

Our ducting solutions are engineered using closed-cell phenolic insulation, which minimizes air leakage and reduces thermal conductivity, thereby conserving energy, reducing emissions, and saving costs. Available in a range of insulation values from R-6 to R-25, WT's ducting products excel in both outdoor and indoor settings, delivering outstanding thermal performance with nearly zero leakage to meet eco-friendly standards.

Durability:

WT’s phenolic insulated duct panels flaunt a robust metal exterior, available in various materials such as lightweight aluminum, steel (both regular and embossed), and stainless steel with painted handles, ensuring longevity and resistance to wear.

Versatile Applications for Indoor and Outdoor Environments:

Tailored to meet the specific demands of different settings, WT’s pre-insulated panels are available in materials like aluminum foil, color steel, and galvanized steel sheet, with options for single or double-sided lamination as required.

Compliance with UL181 Standard:

WT’s insulated ducting panels meet the rigorous UL181 test standard and have achieved certification, ensuring compliance with industry benchmarks for safety and quality.

Colorful Options:

Our range of embossed aluminum and steel duct panels offers over 20 color choices, allowing for seamless integration into your design aesthetics and enhancing the overall appearance of the finished installation.

CategorySpecificationTechnical Indicators
Standard thickness20mm(0.7874 inches), 25mm(0.9843 inches), 30mm(1.1811 inches) (customizable)Thermal conductivity: 0.019-0.02W/(m/k)
Length/width 2000mm x 1200mm(78.7402 inches x 47.2441 inches), 3000mm x 1200mm(118.1102 inches x 47.2441 inches), 4000mm × 1200mm(157.4803 inches x 47.2441inches) (customizable)Water absorption: ≤3.7%
Foam thickness 0.025mm(0.0009843 inches), 0.04mm(0.0015748 inches), 0.06mm(0.0023622 inches), 0.08mm(0.0031496 inches)Fire resistance: B1 level flame retardant
Settlement density50-65 Kg/m³Tensile strength: ≥1.1MPa
Temperature resistance-150℃~150℃(-300℉~300℉)Thermal resistance: 0.86m2K/W
Compressive strength≥0.18MPaDimensional stability: ≤2% (70±2℃, 48h)
Water absorption≤1.2%Impact rigidity: >1.5h
Combustibility≤9, No spontaneous combustion, No smoke toxicityFire rating: A
Thermal conductivity≥45
Daily evaporation≤0.5mg/L
01.

Customized Thickness

Various thicknesses from 10mm to 30mm (0.4 inches to 1.2 inches)

02.

Customized Surface

Aluminum foil, steel, galvanized steel, cement Fabric

03.

Abrasion Resistance

WT’s air duct panels can choose surface composite materials to improve abrasion resistance

phenolic foam duct board

UL181 Approved

04.

Fire Resistant

UL181 fire resistance rating

05.

Water Proof

93% closed cell structure Water vapor transmission rate <0.2 cfm/ft²

05.

Wide Range

WT offers a variety of product options designed to meet a wide range of applications

WT INSULATION

phenolic foam duct board Features

Thermal Performance

At 25℃, the thermal conductivity is 0.03 W/mK

  • Test Standard: ASTM-C-518

Air Leakage Rate

<0.2 cfm/ft² , 2 inches water column (w.g.)

 

  • Test Standard: SMACNA 2

resistant to moisture

Water vapor transmission < 0.4 grains/hr•ft²

  • Test Standard: ASTM E96/E96M

Highly Resistant

Mold Growth Rate: 0
Test Environment: 27°C (80°F)
Test Duration: 28 Days

  • Test Standard: Astm D3273

Weight Savings

The unit weight of WT’s phenolic foam duct board is 50-65 Kg/m³ (3.1215 to 4.05795 lb/ft^3).

The phenolic foam duct board is used as the lining of the pre insulated duct, which can significantly reduce the load-bearing capacity of the insulated duct unit and save space.

High Efficiency

WT’s phenolic foam air duct insulation board is pre-insulated, so there is no need to leave additional insulation space.

Thanks to the light weight of Phenolic foam panel, the product is very easy to install. WT also provides product installation training and technical support to help you complete the project more efficiently.

Custom Surface Options

WT provides a variety of surface options for duct panel products to facilitate adaptation to various types of insulated metal ductwork systems.
The surfaces provided by WT include: aluminum foil, sheet metal, galvanized steel plate, cement fabric

Aluminum Foil

Steel

Galvanized Steel

Cement Fabric

Phenolic composite air duct
Air conditioning duct installation diagram

pre insulated duct installation

  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

WT’s phenolic duct board is an advanced construction industry solution for air duct board insulation, offering superior insulation and energy efficiency.

Designed for both new builds and retrofits, phenolic foam air duct board fits perfectly with its customizable dimensions and minimal energy loss features.

Phenolic foam air duct board robust thermal properties and low air leakage enhance pre-insulated metal ductwork system performance, cutting energy costs.

Aluminum foil surface battles heat and moisture, ensuring durability, while the high fire resistance and low toxin emission prioritize safety. Lightweight and easy to install, this eco-friendly option is ideal for efficient, long-lasting ductwork.

Our phenolic duct board is tailor-made for duct fabrication, offering a streamlined and efficient solution for creating high-performance insulated rigid ductwork.

Phenolic foam air duct insulation board‘s lightweight yet durable design ensures easy handling and quick installation, making it a preferred choice for fabricators. The board’s customizable dimensions allow for precise fits in diverse HVAC systems, accommodating both standard and unique layouts. With excellent thermal insulation and minimal air leakage, it significantly enhances the energy efficiency of air duct systems. The board’s aluminum foil surface provides additional moisture and heat resistance, extending the lifespan of the ductwork.

Ideal for both commercial and residential projects, phenolic duct board merges safety, durability, and eco-friendliness, setting a new standard in duct fabrication.

Our phenolic duct board is tailored for industrial HVAC systems, delivering unmatched insulation efficiency and durability.

It excels in demanding environments, ensuring optimal thermal management and energy savings. With its strong resistance to air leakage, it significantly enhances HVAC performance, maintaining consistent temperatures and air quality. The board’s ability to withstand extreme temperatures and resist moisture makes it a reliable choice for industrial settings. Its fire safety features and low emission rates add a layer of protection.

Easy to install and maintain, this phenolic duct board is the go-to solution for industrial HVAC applications demanding high performance and safety.

Elevate central air systems with our board; it locks in cool air, slashes energy use, and saves money.

Air Duct
Central Air Conditioning
Duct Board
Previous slide
Next slide
Please enable JavaScript in your browser to complete this form.

Contect WT

Email

sales@wtinsulation.com

Phone

0086-13771601681

Address

No.5,North Waihuan Road,Huangtang Industrial Zone, Xuxiake Town, JiangYin City, Jiangsu Province, China

Scroll to Top

Get a Quick Quote

Fill out the form below, and we will be in touch shortly.
Please enable JavaScript in your browser to complete this form.