Manufactured in the United States and made from durable Glass Fiber Reinforced Polymer (GFRP), Greenbar2X® solves the challenges and shortcomings of traditional steel. It’s a high-performance fiberglass rebar that recently won the ACMA Award for Composites Excellence – Infinite Possibility for Market Growth. This rebar features a lightweight, rustproof, and UV-resistant design, making transport, installation, and cutting seamless while providing maintenance-free, long-lasting dependability.
Greenbar2X® is perfect for projects like foundations, driveways, pool decks, patios, sidewalks, and more. In addition, this flatwork product is ideal for light industrial projects like single-story buildings and vertical applications 10ft high or less.
Prefabricated bends are available upon request, offering added versatility for customized project needs, making it easier to meet specific design requirements. Reinforce the important projects in your life with Greenbar2X®— the strong, dependable, and sustainable choice for concrete reinforcement.
Industry Codes & Standards
Greenbar2X® meets or exceeds all applicable industry codes, standards, and specifications, including:
- ASTM D7957
- ACI 332
- ACI 440
- ICC-ES 5548.
At Mateenbar®, we are committed to delivering reliable concrete reinforcement the industry can trust. For detailed technical information, visit our Tech Data & Approvals page.
Distinctive Features
Greenbar2X® is not your typical fiberglass rebar. Our engineers ensure that our GFRP products stand above the competition, with unique features including:
- A lacquered, buffed, and helically ground rib design, optimized for superior bond strength with concrete. This innovative form factor ensures a long shelf life without deterioration and makes for easy handling.
- A distinctive green color that enhances visibility and worker safety on construction sites.
A Trusted Choice Worldwide
For over 30 years, Greenbar2X® has earned the trust of contractors, builders, and developers across the globe. From home projects to F1 Racetracks, our fiberglass rebar has produced the most dependable results for concrete reinforcement worldwide. No matter where or what the requirements are, Greenbar2X® will deliver the value your project deserves.
Key Advantages Over Steel Rebar
Easy Cut
Easily cut with basic tools to ensure optimal safety and efficiency.
Faster Install
Speeds up installation, reducing labor time and saving on costs.
Heat-Free & Scratch-Free
Safe to handle, protects surfaces and tools from damage, no sparks.
High Visibility
Improves on-site visibility, enhancing safety during installation.
Residential and Light Industrial Applications
Discover how Greenbar2X® transforms concrete reinforcement with advanced solutions for residential and light industrial projects. Learn more about its versatility, ease of use, and long-term durability across a range of applications.
Streamlined Installation with
Designed for efficient, straightforward installation, making Greenbar2X® ideal for residential and commercial projects. Its lightweight, rustproof construction saves time and reduces labor compared to traditional steel, while its user-friendly design supports safe handling and precise placement. Follow this 5-step installation process to achieve reliable, durable reinforcement with Greenbar2X®.
Step 1: Transport & Setup
The lightweight design of Greenbar2X® streamlines transport and setup, enabling more efficient project logistics. With its reduced weight compared to steel, Greenbar2X® requires less heavy machinery for handling, lowering operational costs and making on-site management smoother. Whether you’re delivering materials to a residential site or a large-scale project, Greenbar2X® ensures faster starts and easier handling—saving you time from the very beginning.
Step 2: Cut to Length
Greenbar2X® can be cut quickly and safely using basic tools such as a fine-toothed saw or grinder, eliminating the need for specialized cutting equipment. Its heat-free and scratch-free handling ensures a safer process compared to steel, reducing the risk of accidents and material damage. Lightweight and easy to maneuver, Greenbar2X® allows precise cuts even in tight spaces, improving efficiency on the job site. Note: For optimal safety, OSHA recommends using gloves when handling GFRP fiberglass rebar products.
Step 3: Lay & Secure
Greenbar2X® can be installed using the same tying and chair methods as steel, making it easy for crews to adapt. Compatible with standard clips, ties, wire, and chairs, its lightweight design simplifies placement, reduces fatigue, and speeds up installation—all without compromising stability or performance. The superior bond strength of Greenbar2X® ensures a reliable reinforcement that stands the test of time.
Step 4: Site Safety Check
The high-visibility design of Greenbar2X® makes on-site inspections quicker and more efficient, ensuring all bars are correctly placed before the final concrete pour. This added visibility reduces the likelihood of errors, streamlines compliance with safety standards, and helps crews maintain better oversight in complex projects. By prioritizing safety and precision, Greenbar2X® enhances the overall reliability of the reinforcement process.
Step 5: Concrete Pour
The rustproof composition of Greenbar2X® ensures seamless concrete pouring, delivering long-lasting, corrosion-free performance. Unlike steel, Greenbar2X® eliminates the risk of rebar deterioration over time, reducing the potential for cracks and structural failure. Its durability supports projects in all environments, providing the strength and reliability needed to ensure concrete reinforcement stands the test of time.
No more guesswork—run your layout through our Fiberglass Rebar Calculator and compare material and labor side-by-side. It’s a quick way to validate savings and build confidence with GCs, inspectors, and customers.
Sustainable Solutions That Deliver
At Mateenbar®, sustainability is more than a feature—it’s a commitment. From reducing emissions to designing products with a 100-year lifespan, we prioritize eco-friendly practices in everything we do. By creating smarter, safer, and more durable solutions, we’re shaping a future where innovation meets responsibility.
Maximized Capacity
Greenbar2X® is lighter than steel, resulting in reduced transportation costs & emissions. Efficient logistics are now possible, delivering larger quantities per trip with fewer resources.
Optimal Durability
Engineered for superior quality, Greenbar2X® is corrosion-free, eliminating internal pressure on concrete to extend structural durability and reduce maintenance costs and repair needs.
Enhanced Safety
The light weight of Greenbar2X® simplifies handling, minimizes installation risks, & reduces workplace injuries—contributing safer worksites & reducing material waste for a more sustainable future.
Dimensions and Availability
Straight Bars
Prefabricated Bent Bars
Is Greenbar2X® Fiberglass Rebar Made in USA?
Greenbar2X® fiberglass rebar is proudly manufactured in the USA at our production facility in North Carolina. This ensures compliance with key domestic sourcing requirements such as Buy America and BABA (Build America, Buy America). Manufacturing locally allows us to provide faster response times, stronger quality assurance, and a product customers can trust to perform on every job—avoiding the potential risks associated with offshore manufacturing. By producing in the USA, we proudly support American jobs and infrastructure projects, contributing to the growth and sustainability of the domestic economy.
How Is Greenbar2X® Packaged?
Greenbar2X® is manufactured and shipped in the USA. Master bundles are available in standard sizes. Stock bent bars are available on request. For more info on packaging, see the Greenbar2X® Product & Technical Information Sheet.
What Is Greenbar2X® Used For?
Greenbar2X® is typically used for slab-on-grade applications, including foundations, driveways, pool decks, patios, walkways, basement floors, and various gardening or landscaping structures.
Is Greenbar2X® Approved by the Building Codes?
Greenbar2X® complies with key building codes and standards established by leading industry institutions such as ASTM, ACI, and ICC. These standards and evaluations ensure Greenbar2X® meets the stringent requirements for safety, performance, and reliability in residential and commercial construction. While specific building codes can vary by jurisdiction, Greenbar2X’s® compliance with these widely recognized standards simplifies the approval process for use in many projects. For detailed information, consult your local building authority.
Is Greenbar2X® Suitable for Structural Applications?
Greenbar2X® is an ACI / ASTM D7957-compliant structural rebar primarily designed for horizontal flatwork applications, such as driveways, foundations, patios, and pool decks. Although ideal for residential and light commercial projects, it’s suitable for structural projects when ASTM D7957 is called out or if the design is according to ACI 440.11 using those properties. While it offers high tensile strength, corrosion resistance, and maintenance-free performance, its use in vertical structural applications is limited to heights of 10 feet or less, as specified by ICC-EER 5548. For larger-scale or more demanding structural applications, including tall vertical structures and infrastructure projects, Mateenbar60™ is the better option.
How Much Does Greenbar2X® Weigh?
A standard #4 bar of Greenbar2X® weighs about 3.6 lbs for a 20ft length. For context, the comparative #4 bar of steel (20ft length) weighs about 13.3 lbs. Greenbar2X’s® lightweight design simplifies transport and handling, reducing labor and boosting productivity on job sites. To see how this reduction in labor and boost in productivity can save you money, check out our Fiberglass Rebar Calculator that lets you compare the costs of #3 Greenbar2X® vs. #4 steel rebar in seconds.
Frequently Asked Questions
Find answers to common questions about Greenbar2X® -- including packaging, weight and code compliance -- on the left.