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Collection: Load Class A

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141 products

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Iron Age Designs (6 products)
NDS (39 products)
Hubbell - POLYCAST (11 products)
ULMA (6 products)
TDS (Trench Drain Systems) (50 products)
Zurn (29 products)

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Grate Load Class

Class A (141 products)
Class B (45 products)

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Grate Width

2.25" for NDS Slim Channel (10 products)
2.75" for NDS Mini Channel (29 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" (25 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 (12 products)
Traditional (7 products)
Nature (21 products)
Slotted (57 products)
Perforated (25 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 (15 products)
Que (1 products)
Rain Drop (2 products)
Slotted (49 products)
Solid (2 products)
Square Deco (11 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 (20 products)
Stainless Steel 316L (4 products)

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Application

Residential (135 products)
Decorative (75 products)
Sports Complex - Recreational (70 products)
Chemical Processing (19 products)
General Purpose Drainage - Interior (95 products)
General Purpose Drainage - External (110 products)
Transportation (1 products)

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141 products

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

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

Regular price $108.00 USD

Regular price Sale price $108.00 USD
Unit price per
Zurn P4-FS Slotted Stainless Steel 4" x 40" Grate - Class A

Zurn P4-FS Slotted Stainless Steel 4" x 40" Grate - Class A

Regular price $311.20 USD

Regular price Sale price $311.20 USD
Unit price per
Zurn P4-BZ Decorative Slotted Cast Bronze 4" x 20" Grate - Class A

Zurn P4-BZ Decorative Slotted Cast Bronze 4" x 20" Grate - Class A

Regular price $748.80 USD

Regular price Sale price $748.80 USD
Unit price per
NDS Mini Channel Slotted Polyolefin Class B ADA Compliant Grate - Box of 16

NDS Mini Channel Slotted Polyolefin Class B ADA Compliant Grate - Box of 16

Regular price $468.47 USD

Regular price Sale price $468.47 USD
Unit price per
NDS Spee-D Botanical HDPE Class B ADA Compliant Grate - Single

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

Regular price From $55.42 USD

Regular price Sale price From $55.42 USD
Unit price per
NDS 826 Class A Perforated HDPE 5" x 20" Grate - Light Gray

NDS 826 Class A Perforated HDPE 5" x 20" Grate - Light Gray

Regular price $88.17 USD

Regular price Sale price $88.17 USD
Unit price per
Bronze Age CATHEDRAL 3" Wide Grate for NDS Mini Channel

Bronze Age CATHEDRAL 3" Wide Grate for NDS Mini Channel

Regular price From $39.95 USD

Regular price Sale price From $39.95 USD
Unit price per
Iron Age IA-CARB-0314 Class B Carbochon Cast Iron 3" x 14" Grate

Iron Age IA-CARB-0314 Class B Carbochon Cast Iron 3" x 14" Grate

Regular price From $84.37 USD

Regular price ~~$84.37 USD~~ Sale price From $84.37 USD
Unit price per
Iron Age IA-QUE-0312-HP Class B Que Heel-Proof Cast Iron 3" x 12" Grate

Iron Age IA-QUE-0312-HP Class B Que Heel-Proof Cast Iron 3" x 12" Grate

Regular price From $74.36 USD

Regular price ~~$74.36 USD~~ Sale price From $74.36 USD
Unit price per
NDS Mini Channel Botanical Polyolefin ADA Compliant Class B Grate - Single

NDS Mini Channel Botanical Polyolefin ADA Compliant Class B Grate - Single

Regular price $37.30 USD

Regular price Sale price $37.30 USD
Unit price per
Iron Age IA-LOC-0312 Class B Locust Cast Iron 3" x 12" Grate

Iron Age IA-LOC-0312 Class B Locust Cast Iron 3" x 12" Grate

Regular price From $74.36 USD

Regular price ~~$74.36 USD~~ Sale price From $74.36 USD
Unit price per
Iron Age IA-MIN-0312 Class B Minnione Cast Iron 3" x 12" Grate

Iron Age IA-MIN-0312 Class B Minnione Cast Iron 3" x 12" Grate

Regular price From $74.36 USD

Regular price ~~$74.36 USD~~ Sale price From $74.36 USD
Unit price per
NDS Mini Channel 554CI Botanical Cast Iron Class B ADA Compliant Grate

NDS Mini Channel 554CI Botanical Cast Iron Class B ADA Compliant Grate

Regular price From $78.76 USD

Regular price Sale price From $78.76 USD
Unit price per
NDS Spee-D 252CI Botanical Cast Iron Class B ADA Compliant Grate

NDS Spee-D 252CI Botanical Cast Iron Class B ADA Compliant Grate

Regular price From $174.12 USD

Regular price Sale price From $174.12 USD
Unit price per
NDS Spee-D 253CI Wave Ductile Iron Class B ADA Compliant Grate

NDS Spee-D 253CI Wave Ductile Iron Class B ADA Compliant Grate

Regular price From $174.12 USD

Regular price Sale price From $174.12 USD
Unit price per
Bronze Age CATHEDRAL 4" Dia. Grate

Bronze Age CATHEDRAL 4" Dia. Grate

Regular price From $91.00 USD

Regular price Sale price From $91.00 USD
Unit price per
Bronze Age RAIN DROP 4" Dia. Grate

Bronze Age RAIN DROP 4" Dia. Grate

Regular price From $91.00 USD

Regular price Sale price From $91.00 USD
Unit price per
Bronze Age SLOTTED 4" Dia Grate

Bronze Age SLOTTED 4" Dia Grate

Regular price From $91.00 USD

Regular price Sale price From $91.00 USD
Unit price per
POLYCAST® DG0675 Class A Transverse Slotted HDPE 6" x 24" (Nominal Dimensions) Grate - BLACK

POLYCAST® DG0675 Class A Transverse Slotted HDPE 6" x 24" (Nominal Dimensions) Grate - BLACK

Regular price $50.33 USD

Regular price Sale price $50.33 USD
Unit price per
NDS DS-228 Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

NDS DS-228 Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

Regular price $101.92 USD

Regular price Sale price $101.92 USD
Unit price per

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Drainage News

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Sep 12, 2025
What is Load Class and Why Is It Important?
Sep 12, 2025

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