SINCE 2002
TOPDUCT
TOPDUCT is proud to supply phenolic boards that exceed industry standards for numerous projects across Asia, Africa, North America, and South America.
Our customers consistently express satisfaction with the quality of our products and our comprehensive customer service. Whether you’re a building materials importer or an industrial manufacturer, we offer a one-stop solution for all your plywood needs.
TOPDUCT
22 Years Of Undefeated Success
TOPDUCT focuses on providing higher standard products and services for air duct systems and exterior wall insulation
520+
Successfully Project Finished.
22+
Years of experience with proud
20+
production Lines
100+
Patents and Certifications

Fire Retardant
Flame Spread < 25
(ASTM E84-19)

Water Resistant
Demonstrates < 1%
(ASTM D570-98)

Chemical Resistant
Acid And Alkali Resistant
(ASTM D543-14)

High Durability
Density > 1,350 kg/m³
(ISO 604:2002)
TOPDUCT offers 10 mm to 30 mm thickness phenolic boards, specially designed for HVAC systems.
Phenolic Duct Board
TOPDUCT is equipped to offer a comprehensive range of veneer options for phenolic foam duct boards, including double-sided aluminum foil, single-sided aluminum foil, as well as single- and double-sided color steel. Additionally, we provide single-sided PVC and various laminate solutions, designed to offer an integrated solution that eliminates the need for separate ductwork and insulation.
- Environmental Friendly
- UL181
- Modern Technology
- Customizable
TOPDUCT offers 30-220 mm thickness phenolic boards, specially designed for exterior wall insulation
Phenolic Wall Board
TOPDUCT is equipped to offer a comprehensive range of veneer options for phenolic foam duct boards, including double-sided aluminum foil, single-sided aluminum foil, as well as single- and double-sided color steel. Additionally, we provide single-sided PVC and various laminate solutions, designed to offer an integrated solution that eliminates the need for separate ductwork and insulation.
- Environmental Friendly
- UL181
- Modern Technology
- Customizable
TOPDUCT
Transform Communities Across the Globe
From green energy to product production, TOPDUCT has been choosing the most environmentally friendly solutions to contribute to the global climate.
About TOPDUCT
We Are The World's Leading Manufacturer Of Phenolic Boards

TOPDUCT
TOPDUCT aims to provide high-quality phenolic sheets to global customers to meet the growing needs of air duct systems and exterior wall insulation fields.
Since 2002,
TOPDUCT has continuously overcome various technical problems and provided more than 1,200 industry solutions to 500+ customers around the world.
About Founders
Our Latest Works
Science Lab Building
New York, USA
Long Gate Bridge
Malmo, SE
Enix Lawyer Building
Toronto, CA
Deep Sea Bridge
Athens, GR
Whar Our Clients Say
Testimonials

Procurement Manager
Ana García
As the procurement manager for a Spanish construction firm, integrating phenolic boards from this supplier has significantly enhanced our project durability and cost-efficiency. Highly recommended!

Director of Facility Solutions
Liam White
Phenolic boards from this supplier have been a cornerstone in our facility upgrades. Their product reliability and exceptional customer service are unmatched in the industry.

BuildRight Enterprises
Grace Okeke
Our partnership with this phenolic board supplier has revolutionized our construction processes, offering unmatched quality and service reliability. A true asset for businesses looking to scale.

CEO of Tech Innovations Ltd.
Hiroki Takahashi
Implementing phenolic boards in our product designs has elevated the quality and sustainability of our tech hardware. This supplier is a game-changer for B2B innovations.
Request a Quote
Learn More From
Frequently Asked Questions
Absolutely. TOPDUCT specializes in providing bespoke solutions to meet the unique needs of each project. We can customize the dimensions, thickness, and density of our phenolic boards, as well as apply special coatings or finishes as required. Our state-of-the-art manufacturing process allows for precise customization, ensuring that the final product precisely matches your specifications and performance expectations. We work closely with our business clients to understand their needs and deliver tailored solutions that contribute to the success of their projects.
At TOPDUCT, quality assurance is integral to our manufacturing process. We adhere to strict international standards, including ISO certifications, to ensure every phenolic board produced meets the highest quality and performance benchmarks. Our in-house Quality Control (QC) team conducts rigorous testing at every stage of the production process, from raw material selection through to the final product dispatch. Moreover, we continually invest in research and development to enhance product performance and reliability, ensuring that our clients receive consistently high-quality products for their industrial needs.
TOPDUCT is committed to providing comprehensive support to our business clients. This includes technical consultation services to help clients select the most suitable products for their projects, as well as after-sales support to address any concerns or queries. We also offer logistics and delivery solutions tailored to meet the specific timelines and requirements of your projects. Our dedicated customer service team is always on hand to provide updates, address issues, and assist with any aspect of the ordering, delivery, and post-delivery process to ensure complete customer satisfaction.