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Collection: 9” - 12” Grates

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TDS (Trench Drain Systems) (44 products)
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Z882 (4 products)
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18.0" x 18.0" for NDS 1800 Series (4 products)
24.0" x 24.0" for NDS 2400 Series (4 products)

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224 products

NDS 981 Atrium HDPE 9" X 9" Grate - BLACK

NDS 981 Atrium HDPE 9" X 9" Grate - BLACK

Regular price $60.63 USD

Regular price Sale price $60.63 USD
Unit price per
NDS 9" Low Profile Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

NDS 9" Low Profile Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

Regular price From $311.66 USD

Regular price Sale price From $311.66 USD
Unit price per
900DSG Downspout Defender™ Grate 9" x 9"

900DSG Downspout Defender™ Grate 9" x 9"

Regular price $35.42 USD

Regular price Sale price $35.42 USD
Unit price per
NDS 913 Class C Slotted Cast Iron 9" x 9" Grate

NDS 913 Class C Slotted Cast Iron 9" x 9" Grate

Regular price $161.57 USD

Regular price Sale price $161.57 USD
Unit price per
Iron Age IA-INTER-CB09-BF Class B Interlaken Cast Iron 9" x 9" Grate - BoOF

Iron Age IA-INTER-CB09-BF Class B Interlaken Cast Iron 9" x 9" Grate - BoOF

Regular price $258.83 USD

Regular price Sale price $258.83 USD
Unit price per
NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

Regular price From $214.40 USD

Regular price Sale price From $214.40 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit with NDS Slotted Grate | Gray

NDS 12" Low Profile Catch Basin Kit with NDS Slotted Grate | Gray

Regular price From $134.57 USD

Regular price Sale price From $134.57 USD
Unit price per
NDS 9" Catch Basin Kit with NDS Slotted Grate | Gray

NDS 9" Catch Basin Kit with NDS Slotted Grate | Gray

Regular price From $108.44 USD

Regular price Sale price From $108.44 USD
Unit price per
NDS 12" Catch Basin Kit with Iron Age Locust Grate | Baked on Oil Finish

NDS 12" Catch Basin Kit with Iron Age Locust Grate | Baked on Oil Finish

Regular price From $380.61 USD

Regular price Sale price From $380.61 USD
Unit price per
Iron Age IA-INTER-CB12 Class B Interlaken Raw Cast Iron 12" x 12" Grate

Iron Age IA-INTER-CB12 Class B Interlaken Raw Cast Iron 12" x 12" Grate

Regular price $221.65 USD

Regular price Sale price $221.65 USD
Unit price per
NDS 1216 Catch Basin Riser for 12 x 12 NDS Catch Basin

NDS 1216 Catch Basin Riser for 12 x 12 NDS Catch Basin

Regular price $39.77 USD

Regular price Sale price $39.77 USD
Unit price per
NDS 1200 Sump Box 12" X 12" - NO Grate

NDS 1200 Sump Box 12" X 12" - NO Grate

Regular price $80.26 USD

Regular price Sale price $80.26 USD
Unit price per
FG-MESH-CB12 Class A Fiberglass 12" x 12" x 1" Catch Basin Grate - Dark Grey

FG-MESH-CB12 Class A Fiberglass 12" x 12" x 1" Catch Basin Grate - Dark Grey

Regular price $60.83 USD

Regular price Sale price $60.83 USD
Unit price per
NDS 1243 Universal Locking Outlet 3"and 4" for NDS Catch Basins

NDS 1243 Universal Locking Outlet 3"and 4" for NDS Catch Basins

Regular price $9.01 USD

Regular price Sale price $9.01 USD
Unit price per
NDS 1206 Universal Adapter Plug 6″ for NDS Catch Basins

NDS 1206 Universal Adapter Plug 6″ for NDS Catch Basins

Regular price $7.21 USD

Regular price Sale price $7.21 USD
Unit price per
NDS 885 Class C Slotted Cast Iron 12" x 20" Grate

NDS 885 Class C Slotted Cast Iron 12" x 20" Grate

Regular price $357.55 USD

Regular price Sale price $357.55 USD
Unit price per
NDS 1212 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GREEN

NDS 1212 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GREEN

Regular price $59.10 USD

Regular price Sale price $59.10 USD
Unit price per
J-4222-04 Heavy Duty Cast Iron 12" x 24" x 1.5" Grate | D&L Foundry

J-4222-04 Heavy Duty Cast Iron 12" x 24" x 1.5" Grate | D&L Foundry

Regular price $206.40 USD

Regular price Sale price $206.40 USD
Unit price per
6902M2 Heavy Duty Cast Iron 10″ x 24″ x 2" Grate

6902M2 Heavy Duty Cast Iron 10″ x 24″ x 2" Grate

Regular price $260.38 USD

Regular price Sale price $260.38 USD
Unit price per
ULMA MV+200KX w/ 660 Ductile Iron 9X20 Slotted Grate Class D

ULMA MV+200KX w/ 660 Ductile Iron 9X20 Slotted Grate Class D

Regular price From $325.69 USD

Regular price Sale price From $325.69 USD
Unit price per

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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Drainage News

What is Load Class and Why Is It Important?
Feb 23, 2024
Keeping Livestock Safe – Grate Ideas
Feb 02, 2024
TDS Bronze Age™ Collection
Oct 31, 2023
Trench•Era™ – Modular Trench Drain
Oct 30, 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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