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Drainage Kits
  • Shop All
  • 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
    • Channel Materials
      • Fiberglass
      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • Load Class E
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • Polylok
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
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  • ULMA Stainless Steel Perforated Grate IP100KCA 440_IP100KCAM 441

    ULMA 440 / IP100KCA Class A Perforated w/Tread Stainless Steel 124mm x 1M Grate

    Sale

    ULMA 440 / IP100KCA Class A Perforated w/Tread Stainless Steel 124mm x 1M Grate

    Regular price $107.66 USD
    Regular price $138.42 USD Sale price $107.66 USD
    Unit price /  per 
    Sale
  • PCK5-DG0647 POLYCAST 500 Series with DG0647 Stainless Steel Grates

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $359.91 USD
    Regular price Sale price From $359.91 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks

    Regular price From $609.42 USD
    Regular price Sale price From $609.42 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates

    Regular price From $558.81 USD
    Regular price Sale price From $558.81 USD
    Unit price /  per 
  • DG0670 black HDPE Slotted POLYCAST grate

    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 
  • ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $642.22 USD
    Regular price Sale price From $642.22 USD
    Unit price /  per 
  • MCKS-BA-SLOT-0336 Sand Mini Channel with Transverse Slotted Stainless Steel Grates

    NDS 3" Sand Mini Channel Kit with TDS Slotted Heel Proof Grate - 316L Stainless

    NDS 3" Sand Mini Channel Kit with TDS Slotted Heel Proof Grate - 316L Stainless

    Regular price From $312.47 USD
    Regular price Sale price From $312.47 USD
    Unit price /  per 
  • GF-21429-ADA

    GF 21429 ADA Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

    GF 21429 ADA Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

    Regular price $169.40 USD
    Regular price Sale price $169.40 USD
    Unit price /  per 
  • MMS-SS-SLOT MAX Mini kit with sand channel and stainless steel grate

    3" Sand MAX Mini Kit w/Slotted Heelproof 316L Stainless Steel Grate

    3" Sand MAX Mini Kit w/Slotted Heelproof 316L Stainless Steel Grate

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • P6-PS ZURN Z886 Stainless Steel Perforated Heelproof ADA Grate_Class A

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

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

    Regular price $305.60 USD
    Regular price Sale price $305.60 USD
    Unit price /  per 
  • TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    Regular price $78.78 USD
    Regular price Sale price $78.78 USD
    Unit price /  per 
  • Stainless Steel Perforated 4"grate

    4" Perforated Stainless Steel Grates (1 Set of 4) DD20-002

    4" Perforated Stainless Steel Grates (1 Set of 4) DD20-002

    Regular price $989.16 USD
    Regular price Sale price $989.16 USD
    Unit price /  per 
  • POLY600-GS-675HD-TDSdrains galv steel edge transverse slotted grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/DG0675HD Slotted Ductile Iron Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit w/DG0675HD Slotted Ductile Iron Grate & Stainless Edge

    Regular price From $367.43 USD
    Regular price Sale price From $367.43 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Grates - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Grates - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Grates - Bottom Outlet

    Regular price From $591.61 USD
    Regular price Sale price From $591.61 USD
    Unit price /  per 
  • ULMA M100KX stainless steel edged polymer concrete channel with 450 stainless steel slotted grate

    ULMA M100KX Kit with 450 / IN100KCA Stainless Steel Slotted Grate

    Sale

    ULMA M100KX Kit with 450 / IN100KCA Stainless Steel Slotted Grate

    Regular price From $340.42 USD
    Regular price $427.68 USD Sale price From $340.42 USD
    Unit price /  per 
    Sale
  • DP0650-SS-699H Polycast 600 with Stainless Steel Edge and Bar Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0669 Stainless Bar Grate & Stainless Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0669 Stainless Bar Grate & Stainless Edge

    Regular price $978.35 USD
    Regular price Sale price $978.35 USD
    Unit price /  per 
  • GF-21424

    GF 21424 Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

    GF 21424 Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

    Regular price $198.99 USD
    Regular price Sale price $198.99 USD
    Unit price /  per 
  • DP0750-AA-647

    POLYCAST® DP0750 Inline Catch Basin w/DG0647R Slotted Stainless Grate & DI Frame

    POLYCAST® DP0750 Inline Catch Basin w/DG0647R Slotted Stainless Grate & DI Frame

    Regular price $777.74 USD
    Regular price Sale price $777.74 USD
    Unit price /  per 
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Cast Iron Grate - Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Cast Iron Grate - Stainless Frame

    Regular price From $588.11 USD
    Regular price Sale price From $588.11 USD
    Unit price /  per 
  • POLYCAST 500 with DG0631 transverse slotted grate

    POLYCAST 500 Kit w/ DG0631 Stainless Steel Transverse Slotted Grate | Class A

    POLYCAST 500 Kit w/ DG0631 Stainless Steel Transverse Slotted Grate | Class A

    Regular price From $399.51 USD
    Regular price Sale price From $399.51 USD
    Unit price /  per 
  • Spee-D BA Transverse Slotted Galvanized Grate

    Bronze Age™ TDS-SLOT-0424 Galvanized Steel 4.09" x 24" Grate

    Bronze Age™ TDS-SLOT-0424 Galvanized Steel 4.09" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • POLY600-xx-647-DK stainless steel slotted grate polymer concrete channel

    POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $300.49 USD
    Regular price Sale price From $300.49 USD
    Unit price /  per 
  • TDS-6455 cast iron heavy duty grate

    US Foundry 6455 Heavy Duty Slotted Cast Iron 17" x 24" Grate

    US Foundry 6455 Heavy Duty Slotted Cast Iron 17" x 24" Grate

    Regular price $299.09 USD
    Regular price Sale price $299.09 USD
    Unit price /  per 
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates - Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates - Stainless Frame

    Regular price From $766.60 USD
    Regular price Sale price From $766.60 USD
    Unit price /  per 
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Ductile Iron Grate - Vandal Proof Locks & Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Ductile Iron Grate - Vandal Proof Locks & Stainless Frame

    Regular price From $638.73 USD
    Regular price Sale price From $638.73 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 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    $80.36 $62.50
  • ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    $37.45 $26.22
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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