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Drainage Kits
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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
    • Channel Materials
      • Fiberglass
      • Plastic
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      • Pour in Place (Concrete)
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      • TDS
      • Bronze Age
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      • 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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      • Ductile/Cast Iron
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  • TDS-BARS-0312-B Brushed Bronze Age Grates Transverse Slotted Grate

    Bronze Age BA-BARS-0312-B Bars Bronze Brushed 3" x 12" Grate

    Bronze Age BA-BARS-0312-B Bars Bronze Brushed 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 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 
  • 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
  • NDS-2outlet-catch-basin-3in-outlets-blk-botanical-grate-TDSdrains (1)

    NDS 12" Catch Basin Kit with NDS Botanical Grate | Black

    NDS 12" Catch Basin Kit with NDS Botanical Grate | Black

    Regular price From $174.31 USD
    Regular price Sale price From $174.31 USD
    Unit price /  per 
  • U100K ULMA galvanized edge channel with reinforced galvanized steel slotted grate

    ULMA U100K Drainage Kit with ULMA Reinforced Slotted 424 Grate | Galvanized

    Sale

    ULMA U100K Drainage Kit with ULMA Reinforced Slotted 424 Grate | Galvanized

    Regular price From $311.44 USD
    Regular price $390.42 USD Sale price From $311.44 USD
    Unit price /  per 
    Sale
  • HYDROPLUS 5 inch Channel showing side outlet

    ULMA HYDROPLUS Channel 1M Section

    Sale

    ULMA HYDROPLUS Channel 1M Section

    Regular price $20.00 USD
    Regular price $20.00 USD Sale price $20.00 USD
    Unit price /  per 
    Sale
  • NDS Mini Channel - Grey

    NDS 500-H Mini Channel 3" x 36" - GRAY

    NDS 500-H Mini Channel 3" x 36" - GRAY

    Regular price $44.37 USD
    Regular price Sale price $44.37 USD
    Unit price /  per 
  • POLY600-xx-657-TDSdrains stainless steel perforated grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit w/ DG0657 Perforated Stainless Steel Grate

    POLYCAST 600 Series Kit w/ DG0657 Perforated Stainless Steel Grate

    Regular price From $309.86 USD
    Regular price Sale price From $309.86 USD
    Unit price /  per 
  • P6-SBG ZURN_Class E Stainless Steel Slotted Grate

    ZURN P6-SBG Class E Bar Stainless Steel 6" x 20" Grate

    ZURN P6-SBG Class E Bar Stainless Steel 6" x 20" Grate

    Regular price $747.20 USD
    Regular price Sale price $747.20 USD
    Unit price /  per 
  • 24x24 drains

    Iron Age IA-LOC-CB24-BF Class B Locust Cast Iron 24"x24" Grate - BoOF

    Iron Age IA-LOC-CB24-BF Class B Locust Cast Iron 24"x24" Grate - BoOF

    Regular price $946.66 USD
    Regular price Sale price $946.66 USD
    Unit price /  per 
  • POLYCAST 700-PE-669-DK-TDSdrains

    POLYCAST® 700 Kit w/DG0669 Stainless Bar Grate & HDPE Frame

    POLYCAST® 700 Kit w/DG0669 Stainless Bar Grate & HDPE Frame

    Regular price From $1,516.80 USD
    Regular price Sale price From $1,516.80 USD
    Unit price /  per 
  • NDS-lowProfile-12-catch-basin-wave Raw-TDSdrains

    NDS 12" Low Profile Catch Basin Kit with NDS Wave Grate | Natural

    NDS 12" Low Profile Catch Basin Kit with NDS Wave Grate | Natural

    Regular price From $338.71 USD
    Regular price Sale price From $338.71 USD
    Unit price /  per 
  • Catch basin 18 inch-with NDS 1813 cast iron slotted grate

    NDS 18" Catch Basin Kit with NDS Slotted Grate | Cast Iron

    NDS 18" Catch Basin Kit with NDS Slotted Grate | Cast Iron

    Regular price From $871.04 USD
    Regular price Sale price From $871.04 USD
    Unit price /  per 
  • POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    Regular price From $791.84 USD
    Regular price Sale price From $791.84 USD
    Unit price /  per 
  • NDS900-catch-basin 9x9 NDS

    NDS 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    NDS 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    Regular price From $261.78 USD
    Regular price Sale price From $261.78 USD
    Unit price /  per 
  • SS Bar grate DG0699 Polycast

    TDS DG0669 Class D Stainless Steel Bar 6" x 48" Grate for POLYCAST®

    TDS DG0669 Class D Stainless Steel Bar 6" x 48" Grate for POLYCAST®

    Regular price $1,132.40 USD
    Regular price Sale price $1,132.40 USD
    Unit price /  per 
  • PCK5-DG0633 POLYCAST 500 with Square Deco Stainless Steel Grate

    POLYCAST 500 Kit w/ DG0633 Stainless Steel Square Deco Grate | Class A

    POLYCAST 500 Kit w/ DG0633 Stainless Steel Square Deco Grate | Class A

    Regular price From $423.98 USD
    Regular price Sale price From $423.98 USD
    Unit price /  per 
  • 480 FNHX100KCCM ductile iron heel-proof wave grate

    ULMA 480 Class C Wave Iron Heel-Proof Ductile Iron 122mm x 500mm Grate

    Sale

    ULMA 480 Class C Wave Iron Heel-Proof Ductile Iron 122mm x 500mm Grate

    Regular price $38.04 USD
    Regular price $48.91 USD Sale price $38.04 USD
    Unit price /  per 
    Sale
  • 12x12-catch-basin-kit-6in-outlet-CI-locust-grate

    NDS 12" Catch Basin Kit with Iron Age Locust Grate | Natural

    NDS 12" Catch Basin Kit with Iron Age Locust Grate | Natural

    Regular price From $314.83 USD
    Regular price Sale price From $314.83 USD
    Unit price /  per 
  • Iron Age IA-JOE-0820 REGULAR JOE Cast Iron Grate – BoOF 8" x 20" | RJN8-20I04

    Iron Age IA-JOE-0820 REGULAR JOE Cast Iron Grate – BoOF 8" x 20" | RJN8-20I04

    Iron Age IA-JOE-0820 REGULAR JOE Cast Iron Grate – BoOF 8" x 20" | RJN8-20I04

    Regular price $288.86 USD
    Regular price Sale price $288.86 USD
    Unit price /  per 
  • LPK12-1224GR NDS Low Profile Catch Basin with Green 12" Wave Grate

    NDS 12" Low Profile Catch Basin Kit with NDS Wave Grate | Green

    NDS 12" Low Profile Catch Basin Kit with NDS Wave Grate | Green

    Regular price From $156.05 USD
    Regular price Sale price From $156.05 USD
    Unit price /  per 
  • POLY500-SS-657-TDSdrains stainless steel perforated grate stainless steel edge shallow profile polymer concrete channel Polycast

    POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate and Edging

    POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate and Edging

    Regular price From $488.76 USD
    Regular price Sale price From $488.76 USD
    Unit price /  per 
  • DG0621 Transverse SLOT Galvanized Steel POLYCAST and SS600

    Bronze Age™ DG0621 SLOT Galvanized Steel 5.25" x 48"Grate

    Bronze Age™ DG0621 SLOT Galvanized Steel 5.25" x 48"Grate

    Regular price $81.20 USD
    Regular price Sale price $81.20 USD
    Unit price /  per 
  • TP0650S-DG0646R-PF w/ Galvanized Perforated reinforced Grate and HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-HDPE Frame

    Regular price $617.36 USD
    Regular price Sale price $617.36 USD
    Unit price /  per 
  • Core Drilling

    Core Drill - Polymer Concrete Channels

    Core Drill - Polymer Concrete Channels

    Regular price $50.00 USD
    Regular price Sale price $50.00 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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