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Collection: Load Class A

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139 products

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Iron Age Designs (6 products)
NDS (39 products)
Hubbell - POLYCAST (11 products)
ULMA (6 products)
TDS (Trench Drain Systems) (48 products)
Zurn (29 products)

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Grate Load Class

Class A (139 products)
Class B (43 products)

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Grate Width

2.25" for NDS Slim Channel (10 products)
2.75" for NDS Mini Channel (27 products)
4.00" Dia (3 products)
4.13" for Zurn Z883 (1 products)
4.13" for Zurn Z884 (11 products)
4.13" for NDS Spee-D (12 products)
4.81" for ULMA (6 products)
5.00" x 5.00" (1 products)
5.18" for Hubbell Polycast (1 products)
5.18" for Pro Series 5 (1 products)
5.25" for Hubbell Polycast (20 products)
5.38" for Zurn Z886 (16 products)
6.00" for NDS DuraSlope (2 products)
6.00" Dia (1 products)
7.88" for Pro Series 8 (1 products)
8.00" (2 products)
9.0" x 9.0" for NDS 900 Series (7 products)
9.00" (1 products)
10.00" (1 products)
10.25" (1 products)
11.25" (1 products)
12.0" x 12.0" for NDS 1200 Series (2 products)
12.00" (1 products)
12.50" (2 products)
14.00" (2 products)
14.66" for TDS FP/FF/FE 1200 (1 products)
15.00" (1 products)
18.0" x 18.0" for NDS 1800 Series (2 products)
24.0" x 24.0" for NDS 2400 Series (1 products)

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Grate Thickness

0.25" with T-Top (10 products)
0.38" (23 products)
0.38" with T-Top (5 products)
0.50" with T-Top (1 products)
0.75" (70 products)
0.81" with T-Top (3 products)
1.125" (8 products)
1.44" (1 products)
1.50" (15 products)
2.00" (1 products)

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Pattern Style

Abstract (5 products)
Geometric (11 products)
Traditional (7 products)
Nature (21 products)
Slotted (57 products)
Perforated (24 products)
Industrial (18 products)
Cover (2 products)
Patriotic (2 products)

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Pattern

Acanthus (3 products)
Atrium (2 products)
Bar (1 products)
Bars (1 products)
Botanical (6 products)
Cathedral (6 products)
Chain (3 products)
Foam (4 products)
Interlaken (1 products)
Locust (1 products)
Mesh (8 products)
Micro-Mesh (7 products)
Minnione (1 products)
Pedreda (1 products)
Perforated (14 products)
Que (1 products)
Rain Drop (2 products)
Slotted (49 products)
Solid (2 products)
Square Deco (10 products)
Star (1 products)
Tardis (1 products)
T-Bar (3 products)
Transverse Slotted (3 products)
Wave (6 products)

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Material

Aluminum (12 products)
Bronze - Brushed (13 products)
Bronze - Natural (13 products)
Ductile/Cast Iron - Baked on Oil Finish (15 products)
Ductile/Cast Iron - Raw (18 products)
Fiberglass (14 products)
Fiberglass - 1.50" Sq Mesh (1 products)
Fiberglass - T-Bar (3 products)
Galvanized Steel (23 products)
Plastic/HDPE - Black (21 products)
Plastic/HDPE - Blue (1 products)
Plastic/HDPE - Gray (22 products)
Plastic/HDPE - Light Gray (2 products)
Plastic/HDPE - Green (14 products)
Plastic/HDPE - Red (1 products)
Plastic/HDPE - Brick Red (2 products)
Plastic/HDPE - Brown (1 products)
Plastic/HDPE - Sand (17 products)
Plastic/HDPE - White (9 products)
Stainless Steel 304 (18 products)
Stainless Steel 316L (4 products)

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Application

Residential (133 products)
Decorative (73 products)
Sports Complex - Recreational (68 products)
Chemical Processing (19 products)
General Purpose Drainage - Interior (95 products)
General Purpose Drainage - External (110 products)
Transportation (1 products)

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139 products

ULMA Non-Slip Slotted Galvanized Steel Grate - 420 / 421

ULMA Non-Slip Slotted Galvanized Steel Grate - 420 / 421

Regular price From $27.49 USD

Regular price Sale price From $27.49 USD
Unit price per
ULMA 410 Perforated w/Tread Galvanized Steel Class A Grate

ULMA 410 Perforated w/Tread Galvanized Steel Class A Grate

Regular price $24.80 USD

Regular price Sale price $24.80 USD
Unit price per
NDS Mini Channel Slotted ADA Compliant Heel-Proof Polyolefin Grate - Single

NDS Mini Channel Slotted ADA Compliant Heel-Proof Polyolefin Grate - Single

Regular price $29.28 USD

Regular price Sale price $29.28 USD
Unit price per
NDS 9243 Class A Plastic Slotted 2" x 36" Grate - GRAY

NDS 9243 Class A Plastic Slotted 2" x 36" Grate - GRAY

Regular price $17.67 USD

Regular price Sale price $17.67 USD
Unit price per
POLYCAST® DG0670 Class A Slotted DuraGuard HDPE 6"x24" (Nominal Dimensions) Grate - Black

POLYCAST® DG0670 Class A Slotted DuraGuard HDPE 6"x24" (Nominal Dimensions) Grate - Black

Regular price $42.69 USD

Regular price Sale price $42.69 USD
Unit price per
POLYCAST DG0646 Class A ADA Compliant Perforated Galvanized Steel 5.25" x 48" Grate

POLYCAST DG0646 Class A ADA Compliant Perforated Galvanized Steel 5.25" x 48" Grate

Regular price $71.39 USD

Regular price Sale price $71.39 USD
Unit price per
NDS Spee-D Slotted HDPE Class B ADA Compliant Grate - Single

NDS Spee-D Slotted HDPE Class B ADA Compliant Grate - Single

Regular price From $33.30 USD

Regular price Sale price From $33.30 USD
Unit price per
Bronze Age DG0631 SLOT 304L Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

Bronze Age DG0631 SLOT 304L Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

Regular price $178.83 USD

Regular price Sale price $178.83 USD
Unit price per
POLYCAST DG0441 / DG0442 Class A Slotted Galvanized 5" x 48" Grate

POLYCAST DG0441 / DG0442 Class A Slotted Galvanized 5" x 48" Grate

Regular price $89.26 USD

Regular price Sale price $89.26 USD
Unit price per
NDS 836 Class A Slotted Pedestrian Polyolefin 8" x 24" Grate

NDS 836 Class A Slotted Pedestrian Polyolefin 8" x 24" Grate

Regular price $110.76 USD

Regular price Sale price $110.76 USD
Unit price per
ZURN P6-PS ADA Compliant Perforated Stainless Steel Heel Proof 6" x 40" Grate | Class A

ZURN P6-PS ADA Compliant Perforated Stainless Steel Heel Proof 6" x 40" Grate | Class A

Regular price $305.60 USD

Regular price Sale price $305.60 USD
Unit price per
ULMA Perforated w/Tread Stainless Steel Class A Grate

ULMA Perforated w/Tread Stainless Steel Class A Grate

Regular price $138.42 USD

Regular price Sale price $138.42 USD
Unit price per
POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 5.25" x 24" Grate

POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 5.25" x 24" Grate

Regular price $45.68 USD

Regular price Sale price $45.68 USD
Unit price per
ULMA 495 / PNH100KCAM-GRIS Class A ADA Compliant Slotted Heel-proof Polypropylene 122mm x 500mm Grate - Gray

ULMA 495 / PNH100KCAM-GRIS Class A ADA Compliant Slotted Heel-proof Polypropylene 122mm x 500mm Grate - Gray

Regular price $35.99 USD

Regular price Sale price $35.99 USD
Unit price per
ULMA Non-slip Stainless Steel Slotted Grate Class A

ULMA Non-slip Stainless Steel Slotted Grate Class A

Regular price From $81.50 USD

Regular price Sale price From $81.50 USD
Unit price per
Bronze Age FOAM - 4" Wide Grate for NDS Spee-D

Bronze Age FOAM - 4" Wide Grate for NDS Spee-D

Regular price From $62.70 USD

Regular price Sale price From $62.70 USD
Unit price per
FG-MESH-0848 Mesh Fiberglass 8"X48"x1.5" Grate Load Class C

FG-MESH-0848 Mesh Fiberglass 8"X48"x1.5" Grate Load Class C

Regular price $182.48 USD

Regular price Sale price $182.48 USD
Unit price per
Zurn P4-FG Slotted Galvanized Steel Grate 4" x 40" Grate - Class A

Zurn P4-FG Slotted Galvanized Steel Grate 4" x 40" Grate - Class A

Regular price $108.00 USD

Regular price Sale price $108.00 USD
Unit price per
NDS 620 Pop-Up Emitter for 6" SDR pipe

NDS 620 Pop-Up Emitter for 6" SDR pipe

Regular price $40.14 USD

Regular price Sale price $40.14 USD
Unit price per
Iron Age IA-INTER-0311 Class B Interlaken Cast Iron 3" x 11" Grate

Iron Age IA-INTER-0311 Class B Interlaken Cast Iron 3" x 11" Grate

Regular price From $78.65 USD

Regular price Sale price From $78.65 USD
Unit price per

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Drainage News

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Jun 05, 2026
“Cathedral” Grating for NDS Mini Channel
Sep 12, 2025
What is Load Class and Why Is It Important?
Sep 12, 2025

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