Fiberglass Rebar Properties
No Susceptibility to Corrosion |
2x Tensile Strength |
1/4 the WEIGHT of Steel |
45 GPa and 60 GPa Modulus of Elasticity |
Electrical and Thermal Insulator |
Excellent Bond Strength |
Bond Dependent Coefficient (kb) of 0.8 |
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 45 GPa Straight Bars
Properties | Unit | #3-45 | #4-45 | #5-45 | #6-45 | #7-45 | #8-45 |
---|---|---|---|---|---|---|---|
Nominal Diameter
(CSA S807) |
mm
inch |
10
3/8 |
13
1/2 |
15
5/8 |
20
3/4 |
22
7/8 |
25
1 |
Fiber Type | ------------------------------------- E-CR glass ------------------------------------- | ||||||
Resin Type | ------------------------------------- Vinyl ester ------------------------------------- | ||||||
Minimum Guaranteed Ultimate Tensile Strength
(ASTM D7205 / CSA S806) |
MPa
ksi |
1000
145 |
850
123 |
925
134 |
900
130 |
900
130 |
850
123 |
Minimum Modulus of Elasticity
(ASTM D7205 / 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
(ASTM D7913) |
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
(ASTM D7617) |
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 |
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 |
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 |
Fiber Type | ------------------------------------- E-CR glass ------------------------------------- | ||||||
Resin Type | ------------------------------------- Vinyl ester ------------------------------------- | ||||||
Minimum Guaranteed Ultimate Tensile Strength
(ASTM D7205 / CSA S806) |
MPa
ksi |
1200
174 |
1175
170 |
1150
167 |
1150
167 |
1100
160 |
1000
145 |
Minimum Modulus of Elasticity
(ASTM D7205 / 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
(CASTM D7913) |
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
(ASTM D7617) |
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 |
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 |
Rebar 45 GPa Bent Bars
Properties | Unit | #3-45 | #4-45 | #5-45 | #6-45 | #7-45 | #8-45 |
---|---|---|---|---|---|---|---|
Nominal Diameter
(CSA S807) |
mm
inch |
10
3/8 |
13
1/2 |
15
5/8 |
20
3/4 |
22
7/8 |
25
1 |
Fiber Type | ------------------------------------- E-CR glass ------------------------------------- | ||||||
Resin Type | ------------------------------------- Vinyl ester ------------------------------------- | ||||||
Fiber Content (by Weight) | % | --------------------------------------- > 80% ----------------------------------------- | |||||
Guaranteed Ultimate Tensile Strength
(Straight Portion ASTM D7205 / CSA S806 |
MPa
ksi |
1000
145 |
850
123 |
925
123 |
900
130 |
900
130 |
850
123 |
Minimum Tensile Modulus of Elasticity
(Straight Portion ASTM D7205 / CSA S806) |
GPa
ksi |
------------------------------------------ 46 ------------------------------------------- ---------------------------------------- 6671 ------------------------------------------ |
|||||
Minimum Tensile Strength (Bent Portion ASTM D7914) |
MPa ksi |
450 65 |
383 56 |
416 60 |
405 59 |
405 59 |
383 56 |
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) |
mm²
inch² |
71
0.111 |
123
0.190 |
203
0.308 |
290
0.440 |
399
0.600 |
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 |
Rebar 50 GPa Bent Bars
Properties | Unit | #3-50 | #4-50 | #5-50 | #6-50 | #7-50 | #8-50 |
---|---|---|---|---|---|---|---|
Nominal Diameter
(CSA S807) |
mm
inch |
10
3/8 |
13
1/2 |
15
5/8 |
20
3/4 |
22
7/8 |
25
1 |
Fiber Type | ------------------------------------- E-CR glass ------------------------------------- | ||||||
Resin Type | ------------------------------------- Vinyl ester ------------------------------------- | ||||||
Fiber Content (by Weight) | % | --------------------------------------- > 80% ----------------------------------------- | |||||
Guaranteed Ultimate Tensile Strength
(Straight Portion ASTM D7205 / CSA S806 |
MPa
ksi |
1000
145 |
1000
145 |
1000
145 |
1000
145 |
1000
145 |
1000
145 |
Minimum Tensile Modulus of Elasticity
(Straight Portion ASTM D7205 / CSA S806) |
GPa
ksi |
------------------------------------------ 50 ------------------------------------------- ---------------------------------------- 7252 ------------------------------------------ |
|||||
Minimum Tensile Strength (Bent Portion ASTM D7914) |
MPa ksi |
450 65 |
450 65 |
450 65 |
450 65 |
450 65 |
450 65 |
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) |
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 |
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