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An engineer in a lab coat wearing safety glasses working on fiberglass rebar in a production facility
Find out how Mateenbar’s® industry-leading GFRP rebar solutions are engineered to meet or exceed global standards, codes, and specifications.
Find out how Mateenbar’s® industry-leading GFRP rebar solutions are engineered to meet or exceed global standards, codes, and specifications.

Technical Data and Approvals

Comprehensive Technical Data

For full transparency and trust, access detailed technical specifications for our Mateenbar® products below. All data is verified to support your project’s success.

Close-up of fiberglass rebar being made in a production facility
Six color logos related to the concrete industry on a white background - ACI, ASTM, CAC, ICC-ES, ISO, The Masonry Society.

Standards, Codes & Specifications

Mateenbar’s® GFRP products meet the most stringent global standards, ensuring compliance with regulatory requirements, design codes, and construction specifications for trusted structural integrity and long-term performance for your project.

Material Standards - These standards ensure the strength, durability, and performance of Mateenbar’s GFRP materials, providing confidence in their use across diverse applications. (ASTM D7957/D8505) (CSA-S807 Grade I and III)

Residential & Commercial Concrete - Mateenbar® products are engineered to meet the specifications critical for residential and commercial concrete applications, ensuring compliance with building codes and long-term reliability. (ACI 332/440.11) (ICC-EER/ESR 5548)

Masonry Standards - Our GFRP rebar is also compliant with leading masonry design standards, supporting innovative solutions for reinforced masonry construction. (TMS 402/602-22)

At Mateenbar, we recognize that Build America, Buy America (BABA) compliance isn’t just a requirement—it’s a responsibility. As infrastructure projects reshape America, contractors need reliable, BABA-compliant materials that meet the highest standards. We’re proud to manufacture in the USA, ensuring our products help build a stronger, more resilient future while keeping projects fully compliant and on track.

Mike Jewell|

COO Mateenbar

Industry Leadership & Membership

At Mateenbar®, we are proud to actively participate in leading industry associations, organizations, and standard-setting bodies. Through these collaborations, we ensure our products remain at the forefront of industry advancements and meet the evolving needs of modern infrastructure. Our involvement reflects our commitment to:

Advance best practices

Drive innovation

Contribute to the development of global standards for construction and engineering materials.

Six color logos on a white background - AASHTO, CFA, NEx, ACMA, FRP and RSIC.
Six logos of state transportation departments on a white background

State Approvals & Compliance

Mateenbar’s® American-made fiberglass rebar solutions are approved for use by various U.S. State Departments of Transportation (DOTs).

This enables professionals to confidently specify our products in infrastructure projects such as bridges and seawalls.

Various DOTs have incorporated guidelines for GFRP rebar in their design criteria, many as outlined in their Structures Manual and related specifications.

Our commitment to meeting and exceeding state-specific standards ensures that Mateenbar® products integrate seamlessly into your projects, adhering to all necessary regulatory requirements.