Corrosion has a huge environmental and economic impact on concrete structures. Reinforcing concrete with Glass Fiber Reinforced Polymer (GFRP) rebar is the ultimate solution to construct projects with strong mechanism against corrosive agents.
TUF-BAR manufactures the highest quality GFRP (Glass Fiber Reinforced Polymer) rebar using the highest quality corrosion resistant vinylester resin and fiberglass materials. Being a leader in the composite materials market, we have been manufacturing and selling supreme quality fiberglass rebar and accessories since 2000.
As a result of our extensive research for improved composite materials and production methods, TUF-BAR Fiberglass Rebar holds several patents related to the process of making the strongest GFRP Fiberglass Rebar.
We have developed the building codes for both Canada and The United States, establishing both the CSA codes which have been for the most part adopted as the ACI codes in addition to contributing to 6 LEED® credits in Canada and 7 in the USA.
Fiberglass Rebar Properties
| No Susceptibility to Corrosion |
| 2x Tensile Strength |
| 1/4 the WEIGHT of Steel |
| 40 GPa and 60 GPa Modulus of Elasticity |
| Electrical and Thermal Insulator |
| Excellent Bond Strength |
Fiberglass Rebar Comparisons
| GFRP vs. Steel |
| GFRP vs. Stainless |
| GFRP vs. Membranes |
| GFRP vs. Galvinized |
| GFRP vs. ECR |
| GFRP vs. Black |
Fiberglass Rebar Specifications
Rebar 40 GPa Straight Bars
| Properties | Unit | #3-40 | #4-40 | #5-40 | #6-40 | #7-40 | #8-40 |
|---|---|---|---|---|---|---|---|
| Average Ultimate Tensile Strength (ASTM D7205 / CAN/CSA-S806) |
Mpa ksi |
1124.0 163.0 |
948.6 137.6 |
1017.2 147.5 |
997.7 144.7 |
947.3 137.4 |
921.8 133.7 |
| Minimum Guaranteed Ultimate Tensile Strength (ASTM D7205 / CAN/CSA-S806) |
MPa ksi |
983.8 142.7 |
845.4 122.6 |
921.0 133.6 |
884.3 128.3 |
878.4 127.4 |
818.6 118.7 |
| Minimum Guaranteed Ultimate Tensile Capacity (ASTM D7205 / CAN/CSA-S806) |
kN lbf |
69.8 15702 |
109.1 24517 |
183.3 41202 |
251.1 56457 |
339.9 76420 |
417.5 93849 |
| Minimum Modulus of Elasticity (ASTM D7205 / CAN/CSA-S806) |
Gpa ksi |
49.1 7115 |
45.6 6608 |
48.8 7079 |
51.0 7395 |
49.6 7195 |
52.0 7547 |
| Ultimate Elongation | % | 2.3 | 2.1 | 2.1 | 2.0 | 1.9 | 1.8 |
| Average Bond Strength (ACI 440.3R B3) |
MPa ksi |
17.4 2.5 |
12.7 1.8 |
15.1 2.2 |
14.4 2.1 |
13.6 2.0 |
13.5 2.0 |
| Transverse Shear Strength (ACI 440.3R B4) |
Mpa ksi |
219.3 31.8 |
209.7 30.4 |
202.7 29.4 |
190.3 27.6 |
199.2 28.9 |
183.5 26.6 |
| Transverse Shear Capacity (ACI 440.3R B4) |
kN lbf |
31.1 7001 |
54.1 12165 |
80.7 18136 |
108.1 24296 |
154.2 34658 |
187.2 42079 |
| Longditudinal Thermal Expansion Coefficient (ASTM E831) |
10-6/°C 10-6/°F |
7.9 4.4 |
8.6 4.8 |
6.7 3.7 |
7.3 4.0 |
8.9 5.0 |
8.7 4.8 |
| Transverse Thermal Expansion Coefficient (ASTM E831) |
10-6/°C 10-6/°F |
21.7 12.1 |
24.2 13.4 |
25.4 14.1 |
23.6 13.1 |
24.5 13.6 |
25.2 14.0 |
| Water Absorption (ASTM D570) | % | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 |
| Linear Weight | g/m lb/ft |
150 0.10 |
259 0.17 |
433 0.29 |
611 0.41 |
816 0.55 |
1105 0.74 |
| Effective Cross Sectional Area (including coating) (CSA S807 Annex A) |
mm² inch² |
72 0.111 |
123 0.190 |
203 0.315 |
290 0.450 |
399 0.618 |
530 0.821 |
| Nominal Cross Sectional Area (CSA S807) |
mm² inch² |
71 0.110 |
129 0.200 |
199 0.308 |
284 0.440 |
387 0.600 |
510 0.791 |
| Effective Diameter (including coating) (CSA S807 Annex A) |
mm inch |
9.6 0.377 |
12.5 0.492 |
16.1 0.633 |
19.2 0.757 |
22.5 0.887 |
26.0 1.022 |
| Nominal Diameter (CSA S807) |
mm inch |
10 3/8 |
13 1/2 |
15 5/8 |
20 3/4 |
22 7/8 |
25 1 |
Rebar 60 GPa Straight Bars
| Properties | Unit | #3-60 | #4-60 | #5-60 | #6-60 | #7-60 | #8-60 |
|---|---|---|---|---|---|---|---|
| Nominal Diameter (CSA S807) |
mm inch |
10 3/8 |
13 1/2 |
15 5/8 |
20 3/4 |
22 7/8 |
25 1 |
| Minimum Guaranteed Ultimate Tensile Strength (ASTM D7205 / CAN/CSA-S806) |
MPa ksi |
1200 174 |
1175 170 |
1150 167 |
1150 167 |
1100 160 |
1000 145 |
| Minimum Guaranteed Ultimate Tensile Capacity (ASTM D7205 / CAN/CSA-S806) |
kN lbf |
85 19140 |
152 34000 |
229 51436 |
327 73480 |
426 96000 |
510 114695 |
| Minimum Modulus of Elasticity (ASTM D7205 / CAN/CSA-S806) |
Gpa ksi |
63.7 9242 |
61.1 8868 |
62.6 9078 |
62.7 9091 |
61.2 8878 |
61.7 8944 |
| Ultimate Elongation | % | 2.2 | 2.1 | 2.1 | 2.0 | 1.9 | 1.9 |
| Average Bond Strength (ACI 440.3R B3) |
MPa ksi |
13.7 2.0 |
12.7 1.8 |
14.6 2.1 |
14.1 2.1 |
13.6 2.0 |
13.5 2.0 |
| Transverse Shear Strength (ACI 440.3R B4) |
Mpa ksi |
264.3 38.3 |
235.1 34.1 |
249.9 36.2 |
234.9 34.1 |
230.1 33.4 |
226.7 32.9 |
| Transverse Shear Capacity (ACI 440.3R B4) |
kN lbf |
37.5 8435 |
60.7 13639 |
99.5 22357 |
133.5 30003 |
178.1 40043 |
231.2 51982 |
| Longditudinal Thermal Expansion Coefficient (ASTM E831) |
10-6/°C 10-6/°F |
5.9 3.3 |
6.0 3.3 |
7.0 3.9 |
7.8 4.4 |
6.4 3.6 |
7.5 4.1 |
| Transverse Thermal Expansion Coefficient (ASTM E831) |
10-6/°C 10-6/°F |
21.2 11.8 |
20.1 11.2 |
22.8 12.7 |
23.3 12.9 |
25.9 14.4 |
25.6 14.2 |
| Water Absorption (ASTM D570) | % | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 |
| Linear Weight | g/m lb/ft |
195 0.13 |
339 0.23 |
526 0.35 |
742 0.50 |
990 0.67 |
1309 0.88 |
| Effective Cross-Sectional Area (including coating) (CSA S807 Annex A) |
mm² inch² |
91 0.141 |
152 0.236 |
235 0.364 |
335 0.519 |
435 0.674 |
574 0.890 |
| Nominal Cross-Sectional Area (CSA S807) |
mm² inch² |
71 0.110 |
129 0.200 |
199 0.308 |
284 0.440 |
387 0.600 |
510 0.791 |
| Effective Diameter (including coating) (CSA S807 Annex A) |
mm inch |
10.8 0.424 |
13.9 0.548 |
17.3 0.681 |
20.7 0.813 |
23.5 0.927 |
27.0 1.065 |
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