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Collection: NDS Grates

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NDS (165 products)
TDS (Trench Drain Systems) (3 products)

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Food Processing (2 products)
General Purpose Drainage - Interior (105 products)
General Purpose Drainage - External (107 products)
Transportation (9 products)

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900 Series (10 products)
1200 Series (23 products)
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Pro Series 3 (1 products)
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Pro Series 8 (4 products)
Pro Series 12 (2 products)
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Spee-D (33 products)

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Class A (48 products)
Class B (111 products)
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Plastic - (PP, HDPE, PE) (126 products)
Plastic - (PP, HDPE, PE) - Gray (31 products)
Plastic - (PP, HDPE, PE) - Sand (31 products)

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Grate (165 products)
Channel Grate (114 products)
Catch Basin Grate (49 products)
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Bronze - Brushed (4 products)
Bronze - Polished (2 products)
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Fiberglass (1 products)
Fiberglass - 1.50" Sq Mesh (1 products)
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2.25" for NDS Slim Channel (10 products)
2.38" for Zurn Z880 (1 products)
2.75" for NDS Mini Channel (31 products)
3.00" Dia (1 products)
3.88" for Pro Series 3 (1 products)
4.00" Dia (1 products)
4.13" for NDS Spee-D (31 products)
4.75" x 4.75" for NDS Pipe Adaptors (1 products)
5.18" for Pro Series 5 (10 products)
6.00" for NDS DuraSlope (24 products)
6.00" Dia (2 products)
6.13" x 6.13" for NDS Pipe Adaptors (1 products)
7.88" for Pro Series 8 (4 products)
7.88" x 7.88" (1 products)
9.0" x 9.0" for NDS 900 Series (11 products)
12.0" x 12.0" for NDS 1200 Series (24 products)
15.00" Dia (1 products)
18.0" x 18.0" for NDS 1800 Series (7 products)
24.0" x 24.0" for NDS 2400 Series (3 products)

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0.25" with T-Top (9 products)
0.38" (17 products)
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.50" (1 products)
0.75" (71 products)
1.00" (7 products)
1.125" (32 products)
1.25" with T-Top (1 products)
1.50" with T-Top (1 products)
1.75" with T-Top (1 products)
2.00" (4 products)
4.75" with T-Top (1 products)

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SLOTTED (54 products)
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TILE (2 products)
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SLOTTED (65 products)

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165 products

NDS DS-670 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - LIGHT GRAY

NDS DS-670 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - LIGHT GRAY

Regular price $66.70 USD

Regular price Sale price $66.70 USD
Unit price per
NDS 837 Class B Slotted Traffic Polyolefin Grate 8" x 20" (Nominal Dimensions)

NDS 837 Class B Slotted Traffic Polyolefin Grate 8" x 20" (Nominal Dimensions)

Regular price $113.12 USD

Regular price Sale price $113.12 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
NDS Slim Channel 9262 Class A Plastic Chain Deco 2" x 36" Grate - SAND

NDS Slim Channel 9262 Class A Plastic Chain Deco 2" x 36" Grate - SAND

Regular price $21.22 USD

Regular price Sale price $21.22 USD
Unit price per
NDS 815 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - GREEN

NDS 815 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - GREEN

Regular price $39.03 USD

Regular price Sale price $39.03 USD
Unit price per
NDS 816 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BLACK

NDS 816 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BLACK

Regular price $39.03 USD

Regular price Sale price $39.03 USD
Unit price per
NDS® DS-671 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - WHITE

NDS® DS-671 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - WHITE

Regular price $70.40 USD

Regular price Sale price $70.40 USD
Unit price per
NDS® DS-661 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - DARK GRAY

NDS® DS-661 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - DARK GRAY

Regular price $66.70 USD

Regular price Sale price $66.70 USD
Unit price per
NDS® DS-662 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - GREEN

NDS® DS-662 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - GREEN

Regular price $70.40 USD

Regular price Sale price $70.40 USD
Unit price per
NDS® DS-661LG Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - LIGHT GRAY

NDS® DS-661LG Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - LIGHT GRAY

Regular price $66.35 USD

Regular price Sale price $66.35 USD
Unit price per
NDS DS-665 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - BRICK RED

NDS DS-665 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - BRICK RED

Regular price $70.40 USD

Regular price Sale price $70.40 USD
Unit price per
NDS 817 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - SAND

NDS 817 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - SAND

Regular price $39.03 USD

Regular price Sale price $39.03 USD
Unit price per
NDS 818 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BRICK RED

NDS 818 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BRICK RED

Regular price $39.03 USD

Regular price Sale price $39.03 USD
Unit price per
NDS 819 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - WHITE

NDS 819 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - WHITE

Regular price $39.03 USD

Regular price Sale price $39.03 USD
Unit price per
Perforated 316 Stainless Steel Grate 3″x12″ Load Class B

Perforated 316 Stainless Steel Grate 3″x12″ Load Class B

Regular price $83.00 USD

Regular price Sale price $83.00 USD
Unit price per
1200DSG Downspout Defender™ Grate 12"x12"

1200DSG Downspout Defender™ Grate 12"x12"

Regular price $52.60 USD

Regular price Sale price $52.60 USD
Unit price per
NDS 1215 Class C HD Bar Galvanized 12" x 12" Grate

NDS 1215 Class C HD Bar Galvanized 12" x 12" Grate

Regular price $125.48 USD

Regular price Sale price $125.48 USD
Unit price per
NDS 1224 Class B ADA Compliant Wave HDPE 12" x 12" Grate -BLACK

NDS 1224 Class B ADA Compliant Wave HDPE 12" x 12" Grate -BLACK

Regular price $92.53 USD

Regular price Sale price $92.53 USD
Unit price per
NDS 1218CI Class B Botanical Cast Iron 12" x 12" Grate - RAW

NDS 1218CI Class B Botanical Cast Iron 12" x 12" Grate - RAW

Regular price $294.86 USD

Regular price Sale price $294.86 USD
Unit price per
NDS 1224CI Class B ADA Compliant Wave Cast Iron 12" x 12" Grate - RAW

NDS 1224CI Class B ADA Compliant Wave Cast Iron 12" x 12" Grate - RAW

Regular price $273.59 USD

Regular price Sale price $273.59 USD
Unit price per

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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Drainage News

How Do You Clean Out a Trench Drain Without Damaging It?
May 27, 2026
What is Load Class and Why Is It Important?
Feb 23, 2024
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Feb 02, 2024
TDS Bronze Age™ Collection
Oct 31, 2023

On Sale

ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C
~~$237.16~~ $183.00
ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C
~~$237.16~~ $183.00
ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C
~~$237.16~~ $183.00

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