GFRP MasterBar

Glass Fiber Reinforced Polymer (GFRP) Bars for Concrete Reinforcement 

Super Alternative to Conventional Steel Rebar

Master Brick-BAR Glass Fiber Reinforced Polymer (GFRP) rebar, also referred to as Fiberglass Rebar is a stronger and lighter alternative to epoxy coated, galvanized or stainless-steel rebar. It is ¼ the weight of steel, superior in tensile strength, non-magnetic, and non-conductive rebar that has a life cycle of 100+ years. 


Fiberglass Rebar is a superior alternative to steel reinforcing in: 

Concrete exposed to marine or de-icing salts in bridge decks, median barriers, approach slabs, parking garage elements and salt storage facilities 

Concrete exposed to marine salts in seawalls, waterfront structures, floating marine docks and water breaks 

Concrete used near electromagnetic equipment such as light rail transit, MRI rooms in hospitals, airports and structures near high voltage cables, transformers and substations 


Other Applications include mining and tunneling, airport runways, swimming pools, ice skating arenas, and other concrete elements that may not have adequate concrete cover to protect steel reinforcing. 


Steel reinforcement of concrete has been used for many years. Its primary shortcoming is that it is easily corroded, and corrosion results in structural failure. Recently, there has been a significant amount of interest in using non-corroding FRP rebar to overcome the issue of corrosion. While the properties of steel reinforcing bars are well known to most structural engineers, the same cannot be said for FRP rebar. One of the main differences in properties between steel and FRP is the relatively low modulus of elasticity of FRP rebar.

High Demand Applications

Residential Buildings 


Power Generations


Every kind of concrete structures

Marine applications

Industrial Buildings

Sewage constructions

Rehabilitation and Drainage works

Chemical Production Buildings

Metro and Tunnel Constructions

Concrete poles, Cable channels


Globally, Regionally and Nationally

The references below should be referred to by the Engineer regarding the application of GFRP bars for concrete reinforcement. All materials and workmanship conform to the requirements of the latest editions, including amendments, of the following standards, except as may be explicitly varied by this specification. The following list includes Canadian and International specification standards as well as bridge, building and highway design codes.


Canadian Standards and Codes

1. CAN/CSA-S807-19 (R2015) “Specification for Fibre-Reinforced Polymers”, Canadian Standards Association

2. CAN/CSA-S806-12 (R2017) “Design and Construction of Building Components with Fibre Reinforced Polymers” Canadian Standards Association

3. CAN/CSA-S6-14 (2014) “Canadian Highway Bridge Design Code” Section 16: Fibre Reinforced Structures, Canadian Standards Association

International Standards and Codes

1. ASTM D7957 (2017) “Standard Specification for Solid Round Glass Fiber Reinforced Polymer Bars for Concrete Reinforcement”, American Society for Testing and Materials (ASTM International)
2. ACI 440.1R-15 (2015) “Guide for the Design and Construction of Structural Concrete Reinforced with Fiber-Reinforced Polymer Bars”, ACI Committee 440, American Concrete Institute

3. ACI 440.3R-12 (2012) “Guide Test Methods for Fiber-Reinforced Polymers (FRPs) for Reinforcing or Strengthening Concrete Structures” ACI Committee 440, American Concrete Institute
4. ACI 440.4R-04 (Re approved in 2011) “Prestressing Concrete Structures with FRP Tendons” ACI  Committee 440, American Concrete Institute
5. ACI 440R-07 (2007) “Report on Fiber-Reinforced Polymer (FRP) Reinforcement for Concrete Structures,” ACI Committee 440, American Concrete Institute
6. ACI 440.5-08 (2008) “Specification for Construction with Fiber-Reinforced Polymer Reinforcing Bar”, ACI Committee 440, American Concrete Institute

7. AASHTO GFRP-1 (2009) “AASHTO LRFD Bridge Design Guide Specifications for GFRP-Reinforced Concrete Bridge Decks and Traffic Railings”, American Association of State Hig

Certification in Iraq

Certified by the Iraqi Ministry of Planning \  Central Organization for Standardization and Quality Control (COSQC) in Iraq

General Technical Requirements for Imported Materials 

Structural No. (10)

Material: Advanced Concrete Reinforcing Bars type (Glass Fiber) 

Approved by the Specifications Approval Authority in its meeting No.(478) on 2/3/2020

1- Requirements   

s in accordance with Gulf Specification No. 2488/2015 GSO for (glass fiber-reinforced polymer rebars for concrete reinforcement) and the American Concrete Code ACI 440.1R.062488/2015 

2- The explanatory data   

Is in accordance with    Gulf Specification No. 2488/2015 GSO    for (glass-fiber-reinforced polymer rebars for concrete reinforcement) with mention of the country of origin

3 - Packing  

Is in accordance with    Gulf Specification No. 2488/2015 GSO    for (glass-fiber-reinforced polymer rebars for concrete reinforcement)

Properties &  Technical Specifications

 All manufactured GFRP meet the requirements stated in CSA-S807-19. A Pultrusion method is used to  manufacture bars, with glass fiber rovings being pulled through a resin bath. Epoxy vinyl ester resin and  E-CR glass fiber are used unless otherwise specified by the customer. Bars are coated in sand to improve  the bonding surface between the bar and concrete.

We are capable of providing you Fiberglass Rebar with a range of Ø4mm ~ Ø32mm outer diameter and according to Customer requirements (Length, Color, Standard or sand blasted). 

Product characteristics Performance values
Tensile strength Min. 800 MPa
Young Module (Elasticity Module) Min 50 GPa
Adhesion Tension with concrete Min. 12 MPa
Resistance in Alkali environment Min. 600 MPa
Adhesion Tension with concrete after Alkali environment Min. 10 MPa
Transverse Tensile Strength Min. 200 MPa
Longitudinal thermal expansion 2,2x 10" (1/°C)
Density 2047 Kg/m3
Average Life 100 Years
Chemichal and Corrosion risisttance Yes
Thermal Conductivity No
Electrical Conductivity No
Electromagnatic Field Sensitivity No


Advantages of Using Fiberglass Rebars against Steel

  • Light weight; 4 times Lighter than steel. There is an advantage of 50%-80% from Transportation cost

  • Corrosion resistance with zero rust.

  • Dielectric capability; The most suitable material to build Laboratories  and specific buildings.

  • Temperature range; Fiberglass Rebars can be operated in a wide range temperature, between -60°C and +105°C.

  • Increased strength; More stronger than steel and 100+ years sustainability.

  • Easy for assembly; Due to weight advantages, it is more easy for construction works.

  • Length: Can be produced according to required length.

  • Chemical Strength; Fiberglass Rebars are resistant against aggressive components such as milk, bitumen, seawater, solvents or salts.

  • High thermal conductivity; The thermal conductivity index is many times higher than steel.

  • Coefficient of thermal expansion; Composite Rebars have the same coefficient of thermal expansion as concrete, therefore it does not develop cracks in concrete structures.

Manufactured with high quality glass fiber with polyester resin or optional vinyl ester resin. MasterBar is built to be stronger, lighter, and rust free! MasterBar is non-magnetic, making it electrically non-conductive as well as thermally non-conductive. Packaged in 50 piece bundles for easy shipping and handling.


Tie it off and chair it up just like steel!


Electrically an d thermally non-conductive


Do your math and see


2x stronger than steel in tensile strength


Large labor & freight savings


Does not corrode, extended structure life

Its advantages are not comparable to any other reinforcing bars!

Place your order by contacting us today!