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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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      • Fiberglass
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      • Pour in Place (Concrete)
      • All Channel Materials
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    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • RG-151224-AB

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    Regular price $217.44 USD
    Regular price Sale price $217.44 USD
    Unit price /  per 
  • DG0641D POLYCAST ductile iron slotted grate Class D

    POLYCAST DG0641D Class D Slotted Ductile Iron Grate 6" x 24" (Nominal)

    POLYCAST DG0641D Class D Slotted Ductile Iron Grate 6" x 24" (Nominal)

    Regular price $49.31 USD
    Regular price Sale price $49.31 USD
    Unit price /  per 
  • DG3043D 3000 Series Black Transverse Slotted ADA Grate Class D400

    DG3043D Class D ADA Compliant Transverse Slotted Ductile Iron 8"x24"x1.5" Grate

    DG3043D Class D ADA Compliant Transverse Slotted Ductile Iron 8"x24"x1.5" Grate

    Regular price $72.09 USD
    Regular price Sale price $72.09 USD
    Unit price /  per 
  • DG0900 Load Class F Ductile Iron Grate and Frame

    TDS DG0900 Class F H-20 Slotted Ductile Iron 6" x 16" Grate

    TDS DG0900 Class F H-20 Slotted Ductile Iron 6" x 16" Grate

    Regular price $81.00 USD
    Regular price Sale price $81.00 USD
    Unit price /  per 
  • RG-151224-AB

    RG-151424-AB Heavy Duty Ductile Iron Slotted 14" x 24" x 1.5" Grate | TDS

    RG-151424-AB Heavy Duty Ductile Iron Slotted 14" x 24" x 1.5" Grate | TDS

    Regular price $257.04 USD
    Regular price Sale price $257.04 USD
    Unit price /  per 
  • DG2441D-Catch-Basin-Grate-TDS

    POLYCAST DG0653D Class F Slotted Ductile Iron 24" X 24" Catch Basin Grate

    POLYCAST DG0653D Class F Slotted Ductile Iron 24" X 24" Catch Basin Grate

    Regular price $919.14 USD
    Regular price Sale price $919.14 USD
    Unit price /  per 
  • DG0675HD-polycast-duraguard-longit-slotted-grate-TDSdrains

    POLYCAST DG0675HD Class D HP ADA Transverse Slotted Ductile Iron 5.19" x 24" Grate

    POLYCAST DG0675HD Class D HP ADA Transverse Slotted Ductile Iron 5.19" x 24" Grate

    Regular price $60.35 USD
    Regular price Sale price $60.35 USD
    Unit price /  per 
  • FP1200-FG1242 Slotted Ductile Iron Grate - Class E

    TDS DG1242 Class E Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1242 Class E Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $294.38 USD
    Regular price Sale price $294.38 USD
    Unit price /  per 
  • NDS888-ductile-iron-slot-grate

    NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

    NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

    Regular price $245.10 USD
    Regular price Sale price $245.10 USD
    Unit price /  per 
  • DS-602-BF NDS Cast Iron Grate BoOF - Diamond

    NDS DS-602-BF Class C Diamond Ductile Iron 6" x 24" Grate - BoOF

    NDS DS-602-BF Class C Diamond Ductile Iron 6" x 24" Grate - BoOF

    Regular price $153.48 USD
    Regular price Sale price $153.48 USD
    Unit price /  per 
  • DS-603-BF NDS Cast Iron Grate BoOF - Tile

    NDS DS-603-BF Class C Tile Ductile Iron 6" x 24" Grate - BoOF

    NDS DS-603-BF Class C Tile Ductile Iron 6" x 24" Grate - BoOF

    Regular price $153.48 USD
    Regular price Sale price $153.48 USD
    Unit price /  per 
  • P6-DGE Zurn ductile iron class E grate

    Zurn P6-DGE Class E H-20 Slotted Ductile Iron 6" x 20" Grate

    Zurn P6-DGE Class E H-20 Slotted Ductile Iron 6" x 20" Grate

    Regular price $123.20 USD
    Regular price Sale price $123.20 USD
    Unit price /  per 
  • TDS 461D Universal Ductile Iron Grate

    TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

    TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

    Regular price $50.54 USD
    Regular price Sale price $50.54 USD
    Unit price /  per 
  • Dura-Weave-Grate-TDSdrains Dura Slope deco cast iron grate

    NDS DS-601 Class C Weave Ductile Iron 6" x 24" Grate - RAW

    NDS DS-601 Class C Weave Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • FP1200-FG1241-TDS-1 FP Series ductile iron grate heavy duty

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    Regular price $288.95 USD
    Regular price Sale price $288.95 USD
    Unit price /  per 
  • FG1275 Ductile Iron ADA Grate

    TDS DG1275 Class E Transverse Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1275 Class E Transverse Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $344.41 USD
    Regular price Sale price $344.41 USD
    Unit price /  per 
  • FP1200-FG1246-1-Ductile-Iron-Grate-Class-F

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $316.17 USD
    Regular price Sale price $316.17 USD
    Unit price /  per 
  • Zurn P-12 DGC Grating

    Zurn P12-DGC Class C HD Slotted Ductile Iron 12" x 24" Grate

    Zurn P12-DGC Class C HD Slotted Ductile Iron 12" x 24" Grate

    Regular price $324.00 USD
    Regular price Sale price $324.00 USD
    Unit price /  per 
  • ZURN P12-DGE_Ductile Iron Grate_Class E

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Regular price $405.60 USD
    Regular price Sale price $405.60 USD
    Unit price /  per 
  • Dura-Tile-Grate-TDSdrains dura slope deco cast iron grate

    NDS DS-603 Class C Tile Ductile Iron 6" x 24" Grate - RAW

    NDS DS-603 Class C Tile Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • DS-609-Deco-Slotted-CI-grate dura slope NDS cast iron grate

    NDS DS-609 Class C Slotted Ductile Iron 6" x 24" Grate - RAW

    NDS DS-609 Class C Slotted Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • Z886-DGC-TDSdrains (1)ductile iron class c grate

    Zurn P6-DGC Class C H-20 Slotted Ductile Iron 6" x 20" Grate

    Zurn P6-DGC Class C H-20 Slotted Ductile Iron 6" x 20" Grate

    Regular price $100.80 USD
    Regular price Sale price $100.80 USD
    Unit price /  per 
  • POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    Regular price $73.99 USD
    Regular price Sale price $73.99 USD
    Unit price /  per 
  • 12x12-catch-basin-kit-slotted-CI-grate-34

    Catch Basin Kit with Ductile Iron Slotted Grate 12" x 12"

    Catch Basin Kit with Ductile Iron Slotted Grate 12" x 12"

    Regular price From $301.21 USD
    Regular price Sale price From $301.21 USD
    Unit price /  per 
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

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
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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