Flatwork Reinforced. Projects Simplified.
Greenbar2X™ Fiberglass Rebar
Greenbar2X Fiberglass Rebar
Greenbar2X logo

Manufactured in the United States and made from durable Glass Fiber Reinforced Polymer (GFRP), Greenbar2X™ solves the challenges and shortcomings of traditional steel. A high-performance fiberglass rebar, its lightweight, rustproof, and UV-resistant design makes 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.

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.

Key Advantages Over Steel Rebar

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Easy Cut

Easily cut with basic tools to ensure optimal safety and efficiency.

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Faster Install

Speeds up installation, reducing labor time and saving on costs.

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Heat-Free & Scratch-Free

Safe to handle, protects surfaces and tools from damage, no sparks.

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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  Greenbar2X

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™.

A 3D visual of Greenbar2X Rebar installed above poured concrete.

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.

A person with boots on stepping in the middle of installed Greenbar2X GFRP Rebar.

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.

3D visual of poured concrete over Greenbar2X Rebar.

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.

An 18-wheeler entering the Mateenbar Facility with bundles of fiberglass rebar, followed by a motorcyclist closely behind.

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.

A person cutting a bar of Greenbar2X with a small blade.

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.

A 3D visual of Greenbar2X Rebar installed above poured concrete.

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.

A person with boots on stepping in the middle of installed Greenbar2X GFRP Rebar.

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.

3D visual of poured concrete over Greenbar2X Rebar.

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.

An 18-wheeler entering the Mateenbar Facility with bundles of fiberglass rebar, followed by a motorcyclist closely behind.

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.

A person cutting a bar of Greenbar2X with a small blade.

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.

A 3D visual of Greenbar2X Rebar installed above poured concrete.

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.

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.

Packed up bundles of Greenbar2X fiberglass rebar loaded on a truck.

Maximized Capacity

Greenbar2X™ is lighter than steel, resulting in reduced transportation costs & emissions. Efficient logistic are now possible, delivering larger quantities per trip with fewer resources.

Close-up of Mateenbar60 rebar being manufactured

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.

A person holding bars of Greenbar2X Rebar.

Enhanced Safety

The lighter weight of Greenbar2X™ simplifies handling, minimizes installation risks, & reduces workplace injuries—contributing safer worksites & reducing material waste for more sustainable future.

Greenbar2X™    Dimensions and Availability

Straight Bars

Available in standard steel diameters (#3 to #5)

Stock lengths: 4’, 10' and 20’

Pultrusion manufacturing enables a wide range of diameters and virtually unlimited lengths

Priced per linear foot, offering cost transparency and flexibility

Prefabricated Bent Bars

Manufactured in-factory in standard diameters

Standard bent shapes can be special order

Compatible with most steel bent shapes with exceptions like “Z” shapes

Bending is factory-performed only; shapes and quantities must be specified by the contractor

Strength reduction due to bending is factored into design specifications

A four image collage of Greenbar2X GFRP bars bundled in packaging
Is Greenbar2X™ Fiberglass Rebar Made in USA?
How Is Greenbar2X™ Packaged?
What Is Greenbar2X™ Used For?
Is Greenbar2X™ Approved by the Building Codes?
Is Greenbar2X™ Suitable for Structural Applications?
How Much Does Greenbar2X™ Weigh?

Frequently Asked Questions

Find answers to common questions about Greenbar2X™ -- including packaging, weight and code compliance -- on the left.