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Documentation - Molded Grating - 1x2xh2-high-capacity

1 × 2 × H 2" (25 × 50 × H 50 mm) High Capacity

Product Overview

This 2-inch-deep high-capacity molded FRP grating uses a dense 1-inch × 2-inch rectangular mesh with heavy load-bearing bars. Its greater depth, reduced open area, and reinforced bar geometry provide substantially increased stiffness, concentrated-load resistance, and span capability compared with standard molded grating and the 1.5-inch-deep high-capacity profile.

Common applications include heavily loaded industrial platforms, equipment-support access areas, process decks, trench covers, maintenance platforms, marine structures, wastewater and water-treatment facilities, chemical-processing plants, loading areas, and other corrosive environments requiring elevated structural performance.

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Dimensional Drawings

Imperial dimensional drawing for 1 by 2 inch mesh by 2 inch deep high-capacity molded FRP grating
Figure 18: Imperial Units
Metric dimensional drawing for 25 by 50 millimeter mesh by 50 millimeter deep high-capacity molded FRP grating
Figure 19: Metric Units

Product Specifications

Style High Capacity
Top Open Area 39%
Measurement Metric Imperial
Mesh Length 25 mm 1.0 in
Mesh Width 50 mm 2.0 in
Mesh Thickness 50 mm 2.0 in
Bar Thickness at Top 12 mm 0.47 in
Bar Thickness at Bottom 9 mm 0.35 in
Maximum Panel Width 1220 mm 48 in
Maximum Panel Length 3660 mm 144 in
Weight 41.01 kg/m2 8.4 lb/ft2

Load Tables

Uniform Load — Deflection in Inches

Clear Span
(in)		 100
psf		 200
psf		 300
psf		 400
psf		 500
psf		 600
psf		 700
psf		 800
psf		 900
psf		 1,000
psf		 Maximum Recommended Load
(psf)
12 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 31,044
18 <0.01 <0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 14,618
24 0.01 0.01 0.02 0.02 0.03 0.04 0.04 0.05 0.05 0.06 8,834
30 0.01 0.03 0.04 0.06 0.07 0.09 0.10 0.11 0.13 0.14 5,655
36 0.03 0.06 0.09 0.12 0.16 0.18 0.21 0.24 0.27 0.29 3,883
42 0.06 0.11 0.18 0.23 0.29 0.32 0.38 0.45 0.48 — 3,000

Line Load — Deflection in Inches

Clear Span
(in)		 100
lb/ft		 200
lb/ft		 300
lb/ft		 500
lb/ft		 1,000
lb/ft		 2,000
lb/ft		 3,000
lb/ft		 4,000
lb/ft		 5,000
lb/ft		 6,000
lb/ft		 Maximum Recommended Load
(lb/ft)
12 <0.01 <0.01 <0.01 <0.01 0.01 0.02 0.02 0.03 0.04 0.05 15,851
18 <0.01 <0.01 0.01 0.01 0.02 0.04 0.06 0.08 0.11 0.13 10,486
24 <0.01 0.01 0.01 0.02 0.05 0.09 0.15 0.18 0.24 0.28 8,809
30 0.01 0.02 0.03 0.05 0.09 0.18 0.28 0.35 0.46 — 7,517
36 0.02 0.03 0.05 0.08 0.16 0.32 0.48 — — — 5,893
42 0.03 0.05 0.08 0.13 0.25 0.49 — — — — 4,877

Note: See Appendix A — Load Table Notes for assumptions, limitations, safety factors, and interpretation guidance.

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