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Pultruded Fiberglass:
I-Bar Heavy Duty Availability

Heavy Duty Pultruded I-Bar Fiberglass Grating is high strength grating designed specifically for heavy loading with the I-4700 Series having the highest load capacity of any fiberglass grating available today. The sections are engineered to support vehicular traffic including transport trucks up to H-20 unidirectional loading.

For turning wheel loads, covered Heavy Duty Pultruded I-Bar grating with 1/8” plate is available.

Color: Standard - yellow (any color can be manufactured)

Surface: Furnished standard with gritted, skid resistant top surface

Cross bar spacings: 6” on center

Heavy Duty Pultruded I-Bar Grating Availability

Style Height Surface Width Open Space Open Area Load Bar Spacing CC Std Width* Std Length* lbs/ sq ft
I-4710 1" 5/8" 9/16" 47% 1-3/16" 23.75" 35.63" 20', 24' 5.5 lbs
I-4715 1-1/2" 5/8" 9/16" 47% 1-3/16" 23.75" 35.63" 20', 24' 8.0 lbs
I-4720 2" 5/8" 9/16" 47% 1-3/16" 23.75" 35.63" 20', 24' 10.9 lbs
I-4725 2-1/2" 5/8" 9/16" 47% 1-3/16" 23.75" 35.63" 20', 24' 12.3 lbs
I-5815 1-1/2" 5/8" 7/8" 58% 1-1/2" 3', 4' 20', 24' 6.5 lbs
I-5820 2" 5/8" 7/8" 58% 1-1/2" 3', 4' 20', 24' 8.7 lbs
I-5825 2-1/2" 5/8" 7/8" 58% 1-1/2" 3', 4' 20', 24' 10.0 lbs

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