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 Product Shapes
Continous Spiral Shaped Stirrup
Continous Square or Rectangular Shape Stirrup
Fiberglass Rebar Columns and Piling Cages
Single Spiral Shaped Stirrup
U Shape Bend
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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