Description
Key benefits
- Non-corrosive in marine, de-icing salt, wastewater, and industrial exposures
- High tensile strength (see table)
- Tensile modulus typically 46–70 GPa (ASTM D7205); grades distinguished under CSA S807
- Excellent long-term bond to concrete
- Thermal and electrical insulator; non-magnetic
- Transport and site-handling savings versus steel
- Factory bends, stirrups, spirals, and custom shapes (field bending after cure is not permitted)
GFRP Rebar Properties
| Designation of Bars | Nominal Cross-Sectional Area | Guaranteed Tensile Strength | Tensile Modulus of Elasticity | Traverse Shear Strength |
| (CSA S807 Table1) | (CSA S807 Table1) | (ASTM D7205) | (ASTM D7205) | (ASTM D7617 |
| Designated Diameter in mm | Mm2 | MPa | GPa | kN |
| 6 | 32 | 1105 | 46-70 | 7 |
| 8 | 50 | 1050 | 46-70 | 23 |
| 10 | 71 | 1002 | 46-70 | 31 |
| 13 | 129 | 981 | 46-70 | 54 |
| 15 | 199 | 960 | 46-70 | 79 |
| 20 | 284 | 898 | 46-70 | 109 |
| 22 | 387 | 877 | 46-70 | 156 |
| 25 | 510 | 843 | 46-70 | 188 |
Tensile properties use nominal cross-sectional areas. Confirm the latest manufacturer sheet for project submittals. Designers should use CSA S806 / S807, ACI 440.11, and ASTM D7957 as applicable. Grade selection follows modulus: Grade I (about 40 GPa) is commonly used for non-structural flatwork; Grade II (about 50 GPa) and Grade III (about 60 GPa) for higher-demand structural elements.
Performance comparison (typical positioning)
| SFT-Bar GFRP | Black Steel | Epoxy-Coated | Galvanized | Stainless | |
| Corrosion Risk | None | Very High | Coating Dependent | Possible | Low |
| Weight | ~1/4 | 1 | 1 | 1 | 1 |
| Electrical / magnetic | Insulator, non-magnetic | Conductive | Conductive | Conductive | Conductive |
| Lifecycle in chlorides | Long | Short | Limited by coating | Limited | Longer |
| Site Handling Labour | Lower | Baseline | Baseline | Baseline | Baseline |
Rebar Forms / Shapes
Straight bar, closed ties, V or U shapes, spirals, echelon shapes, and hollow bar. Diameters commonly from about 4–40 mm straight and 6–36 mm for many bent shapes; lengths customized.
Installation notes
Cut with a grinder, saw, or manual cutter – do not shear. Wear a dust mask. Use factory bends. Chair and tie per the project drawings and FRP design guide. Two-way shear should be checked in slabs and footings.
FRP Straight Rebar
Materials: GFRP/BFRP
Diameter: 4mm-40mm
Length: Customized
FRP Closed Ties
Materials: GFRP/BFRP
Diameter: 6mm-36mm
Length: Customized
FRP “V or U” Shape
Materials: GFRP/BFRP
Diameter: 6mm-36mm
Length: Customized
FRP Spirals (circle)
Materials: GFRP/BFRP
Diameter: 4mm-36mm
Length: Customized
FRP “Echelon” Shape
Materials: GFRP/BFRP
Diameter: 6mm-36mm
Length: Customized
FRP Hollow Rebar
Materials: GFRP/BFRP
Diameter: 14mm-40mm
Length: Customized







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