Introduction to Composite Decking Joists
Composite decking joists are a crucial component in the construction of high – quality outdoor decking systems. Made from a combination of recycled wood fibers and plastic polymers, they offer an array of benefits over traditional wooden joists. Composite decking joists are highly durable, resistant to rot, decay, and insect damage, making them a long – lasting choice for outdoor applications. They also require minimal maintenance, not needing to be stained or painted regularly. Additionally, they have a more consistent appearance, with fewer knots and blemishes compared to natural wood. Their strength – to – weight ratio is often superior, providing reliable support for composite or other types of decking materials. These joists are also an environmentally friendly option as they utilize recycled materials, contributing to sustainable construction practices. Composite Decking Joists

Top 10 Composite Decking Joists Factories
1. LIVING GREEN
LIVING GREEN is a well – recognized player in the composite decking joists industry. The company is committed to delivering sustainable and high – quality building products. With a focus on environmentally friendly manufacturing processes, LIVING GREEN makes use of a high proportion of recycled materials in the production of its composite decking joists. The company’s R & D team continuously innovates to improve the performance and aesthetics of their products.
Features in Composite Decking Joists:
- Exceptional Durability: LIVING GREEN’s joists are designed to withstand harsh weather conditions, including extreme heat, cold, and high humidity. They have a long lifespan, reducing the need for frequent replacements.
- Attractive Appearance: The joists come in a variety of colors and textures, providing customers with options to match different decking styles.
- Easy Installation: Their design allows for straightforward installation, saving time and labor costs.
Advantages:
- Sustainable Production: By using recycled materials, LIVING GREEN helps reduce waste and promotes environmental conservation.
- Quality Assurance: The company has strict quality control measures in place to ensure that every joist meets high – quality standards.
- Customer Service: LIVING GREEN offers excellent customer service, providing technical support and guidance to customers throughout the purchasing and installation process.
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2. Trex
Trex is one of the most well – known names in the composite decking industry. Based in the United States, the company has been at the forefront of composite decking innovation for decades. Trex has a large manufacturing facility that allows for high – volume production while maintaining strict quality control. The company invests heavily in research and development to create new and improved products.
Features in Composite Decking Joists:
- Advanced Material Composition: Trex uses a proprietary blend of recycled wood and plastic, which results in joists that are strong and lightweight.
- Stain and Fade Resistance: Their joists are highly resistant to stains and fading, ensuring that they maintain their appearance over time.
- Enhanced Structural Integrity: The design of Trex’s joists provides excellent load – bearing capacity, making them suitable for large – scale decking projects.
Advantages:
- Brand Recognition: Trex is a trusted brand, known for its high – quality products.
- Extensive Product Range: The company offers a wide variety of joist sizes and styles to meet different customer needs.
- Industry Leadership: Trex’s influence in the industry drives innovation and sets high standards for the entire composite decking market.
3. TimberTech
TimberTech is another major player in the composite decking joists market. The company prides itself on its commitment to quality and innovation. TimberTech uses state – of – the – art manufacturing techniques to produce joists that are both functional and aesthetically pleasing. They have a strong focus on customer satisfaction and offer comprehensive warranties on their products.
Features in Composite Decking Joists:
- Low Maintenance: TimberTech’s joists require minimal upkeep, saving homeowners time and money in the long run.
- Color Stability: The colors of their joists are designed to remain vibrant and true for many years, even in direct sunlight.
- Customizable Options: Customers can choose from a range of sizes and colors to create a unique decking solution.
Advantages:
- Quality Control: TimberTech has a rigorous quality control system to ensure that each joist meets strict performance and safety standards.
- Industry Experience: With years of experience in the composite decking industry, the company has in – depth knowledge of customer needs and market trends.
- Innovative Designs: TimberTech continuously introduces new and innovative designs to stay ahead of the competition.
4. Fiberon
Fiberon is renowned for its high – performance composite decking and joists. The company has a reputation for using the latest technology in its manufacturing processes. Fiberon sources its raw materials carefully to ensure the quality and sustainability of its products.
Features in Composite Decking Joists:
- High Strength: Fiberon’s joists are engineered to have high strength, providing reliable support for heavy decking materials and furniture.
- Moisture Resistance: They are highly resistant to moisture, preventing warping, swelling, and decay.
- UV Protection: The joists have excellent UV protection, which helps prevent color fading and maintains their appearance in sunny conditions.
Advantages:
- Sustainable Sourcing: Fiberon is committed to sustainable sourcing of materials, which is appealing to environmentally conscious customers.
- Product Testing: The company conducts extensive product testing to ensure that its joists meet or exceed industry standards.
- Aesthetic Appeal: Fiberon offers a range of stylish designs and colors, allowing customers to create beautiful outdoor spaces.
5. AZEK
AZEK is a leading manufacturer of composite decking and related products. The company is known for its high – end, premium – quality offerings. AZEK focuses on creating products that are not only functional but also add a touch of luxury to outdoor living spaces.
Features in Composite Decking Joists:
- Superior Finish: AZEK’s joists have a smooth and refined finish, giving decks a more polished look.
- Impact Resistance: They can withstand impacts without cracking or breaking, making them suitable for high – traffic areas.
- Mold and Mildew Resistance: The joists are treated to resist mold and mildew growth, ensuring a clean and healthy outdoor environment.
Advantages:
- Premium Quality: AZEK is associated with premium – grade products, which are ideal for customers who want the best in terms of quality and appearance.
- Warranty: The company offers a comprehensive warranty on its joists, providing customers with peace of mind.
- Design Flexibility: AZEK provides a variety of design options, allowing for custom – built decks that meet specific customer requirements.
6. Deckorators
Deckorators is a well – established brand in the composite decking market. The company offers a wide range of products at different price points, making them accessible to a broad customer base. Deckorators focuses on providing value – for – money products without compromising on quality.
Features in Composite Decking Joists:
- Affordable Pricing: Deckorators’ joists are priced competitively, making them a great option for budget – conscious customers.
- Good Performance: Despite the lower price, the joists offer good strength and durability, suitable for most residential decking projects.
- Easy to Work With: Their design allows for easy cutting and installation, even for DIY enthusiasts.
Advantages:
- Value – for – Money: Deckorators provides a cost – effective solution for composite decking joists without sacrificing quality.
- Product Variety: The company offers a diverse range of joist sizes and styles to meet different customer needs.
- Customer Support: Deckorators has a responsive customer support team that can assist with product selection and installation questions.
7. Veranda
Veranda is a company that specializes in composite decking and related components, including joists. The company emphasizes the use of high – quality materials and innovative manufacturing processes to produce reliable and long – lasting products.
Features in Composite Decking Joists:
- Weather Resistance: Veranda’s joists are designed to withstand all types of weather conditions, from heavy rain to extreme heat.
- Fire Resistance: The joists have some level of fire resistance, adding an extra layer of safety to decking structures.
- Smooth Surface: They have a smooth surface that is easy to clean and maintain.
Advantages:
- Quality Assurance: Veranda has a strict quality assurance program to ensure that each joist meets high – quality standards.
- Product Innovation: The company is constantly looking for ways to improve its products, such as by using new materials or manufacturing techniques.
- Industry Reputation: Veranda has built a good reputation in the industry for providing reliable and high – performance composite decking joists.
8. Fortress Building Products
Fortress Building Products is a well – respected manufacturer in the building materials industry. The company offers a range of composite decking joists that are known for their strength and durability. Fortress focuses on providing products that are easy to install and maintain.
Features in Composite Decking Joists:
- Heavy – Duty Construction: Fortress’s joists are built to be heavy – duty, capable of supporting large decking loads.
- Corrosion Resistance: They are resistant to corrosion, making them suitable for use in coastal areas or other environments with high moisture and salt levels.
- Interlocking Design: The joists have an interlocking design that simplifies the installation process and ensures a secure fit.
Advantages:
- Durable Products: Fortress’s joists are designed to last for many years, reducing the need for frequent replacements.
- Installation Support: The company provides detailed installation instructions and support to help customers with the installation process.
- Versatility: Their joists can be used in a variety of decking applications, from small residential decks to large commercial projects.
9. Royal Building Products
Royal Building Products is a leading manufacturer of building materials, including composite decking joists. The company has a long history of providing high – quality products and excellent customer service.
Features in Composite Decking Joists:
- Energy – Efficient Manufacturing: Royal uses energy – efficient manufacturing processes, which is beneficial for both the environment and cost – savings.
- Noise Reduction: The joists have some noise – reducing properties, which can be an advantage in outdoor living spaces.
- Color Consistency: They offer a high level of color consistency, ensuring that the joists match the decking materials perfectly.
Advantages:
- Environmental Responsibility: Royal’s commitment to environmental responsibility makes its products attractive to environmentally conscious customers.
- Customer – Centric Approach: The company focuses on meeting customer needs and provides excellent after – sales service.
- Product Reliability: Royal’s joists are known for their reliability and performance, making them a popular choice in the market.
10. Behr Process Corporation
Behr Process Corporation is well – known for its coatings and building products. In the composite decking joists area, the company brings its expertise in materials science to create high – quality joists.
Features in Composite Decking Joists:
- Coating Technology: Behr applies its advanced coating technology to the joists, which enhances their resistance to scratches, stains, and UV damage.
- Flexibility: The joists have a certain degree of flexibility, which can help absorb shock and prevent cracking.
- Aesthetic Appeal: They come with a range of attractive finishes, adding to the overall look of the deck.

Advantages:
- Coating Expertise: Behr’s long – standing experience in coating technology gives its joists an edge in terms of protection and appearance.
- Research and Development: The company invests in R & D to continuously improve the performance and features of its composite decking joists.
- Brand Trust: Behr is a trusted brand, and customers can have confidence in the quality of its products.
Hollow Composite Decking These are the top 10 composite decking joists factories in the world in 2026, each with its own unique features and advantages, catering to different customer needs and preferences in the global market.