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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
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
      • Load Class C
      • Load Class D
      • Load Class E
      • Load Class F
      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
      • Polycast
      • 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
      • Aluminum
      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • IA-Interlaken-grate-Spee-D-channel-BooF Iron Age

    Iron Age IA-INTER-0418-BF Class B Interlaken Cast Iron 4" x 18" Grate - BoOF

    Iron Age IA-INTER-0418-BF Class B Interlaken Cast Iron 4" x 18" Grate - BoOF

    Regular price $205.92 USD
    Regular price Sale price $205.92 USD
    Unit price /  per 
  • MCKS-540B Black Slotted Grate Mini Channel

    NDS 3" Sand Mini Channel Kit with NDS Slotted Grate - Black

    NDS 3" Sand Mini Channel Kit with NDS Slotted Grate - Black

    Regular price From $92.75 USD
    Regular price Sale price From $92.75 USD
    Unit price /  per 
  • NDS Mini Channel with Brushed Bronze Slotted Grate MCK-BA-SLOT-B

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Brushed

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Brushed

    Regular price From $514.94 USD
    Regular price Sale price From $514.94 USD
    Unit price /  per 
  • NDS-mini-541Kits-TDSdrains

    NDS 3" Gray Mini Channel Kit with NDS Slotted Grate - Gray

    NDS 3" Gray Mini Channel Kit with NDS Slotted Grate - Gray

    Regular price From $86.72 USD
    Regular price Sale price From $86.72 USD
    Unit price /  per 
  • NDS Slim Channel Kit with Sand Slotted Grate

    NDS Slim Channel Kit with NDS 9242 Slotted Grate - SAND

    NDS Slim Channel Kit with NDS 9242 Slotted Grate - SAND

    Regular price From $135.25 USD
    Regular price Sale price From $135.25 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 
  • NDS Mini Channel with Natural Bronze Slotted Grate MCK-BA-SLOT

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Natural

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Natural

    Regular price From $465.44 USD
    Regular price Sale price From $465.44 USD
    Unit price /  per 
  • MCKS-BA-SLOT-D NDS Mini Channel in Sand with TDS Bronze Age Slot in Ductile Iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Ductile Iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Ductile Iron

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • NDS Sand Mini Channel with White Slotted Grate

    NDS 3" Sand Mini Channel Kit with NDS Slotted Grate - White

    NDS 3" Sand Mini Channel Kit with NDS Slotted Grate - White

    Regular price From $92.75 USD
    Regular price Sale price From $92.75 USD
    Unit price /  per 
  • Spee-D BA Cathedral Galvanized Grate

    Bronze Age™ TDS-CATH-0424 Galvanized Steel 4" x 24" Grate

    Bronze Age™ TDS-CATH-0424 Galvanized Steel 4" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • MCKS-555CI-TDSdrains sand channel wave cast iron nds grate

    NDS 3" Sand Mini Channel Kit with NDS Wave Grate - Natural

    NDS 3" Sand Mini Channel Kit with NDS Wave Grate - Natural

    Regular price From $299.74 USD
    Regular price Sale price From $299.74 USD
    Unit price /  per 
  • NDS 241 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" (Nominal) Grate - GRAY

    NDS 241 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" (Nominal) Grate - GRAY

    NDS 241 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" (Nominal) Grate - GRAY

    Regular price $412.06 USD
    Regular price Sale price $412.06 USD
    Unit price /  per 
  • NDS-251-TDSdrains

    NDS 251 Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    NDS 251 Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    Regular price $41.42 USD
    Regular price Sale price $41.42 USD
    Unit price /  per 
  • NDS 5 inch Pro Series end outlet

    NDS 864 Pro Series 5 Drain Kit w/Plastic Grate

    NDS 864 Pro Series 5 Drain Kit w/Plastic Grate

    Regular price $89.41 USD
    Regular price Sale price $89.41 USD
    Unit price /  per 
  • IA-LOC-0520-BF Iron Age Locust 5 x 20 cast iron grate

    Iron Age IA-LOC-0424-BF Class B Locust Cast Iron 4" x 24" Grate - BoOF

    Iron Age IA-LOC-0424-BF Class B Locust Cast Iron 4" x 24" Grate - BoOF

    Regular price $227.37 USD
    Regular price Sale price $227.37 USD
    Unit price /  per 
  • NDS Slim Channel Kit with Gray Chain Grate

    NDS Slim Channel Kit with NDS 9263 Chain Grate - GRAY

    NDS Slim Channel Kit with NDS 9263 Chain Grate - GRAY

    Regular price From $84.60 USD
    Regular price Sale price From $84.60 USD
    Unit price /  per 
  • MCKS-BA-PED-D NDS Mini Channel in sand with TDS Bronze Age Pedreda Grate in Ductile Iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Ductile Iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Ductile Iron

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • NDS Sand Mini Channel with Green Slotted Grate

    NDS 3" Sand Mini Channel Kit with NDS Slotted Grate - Green

    NDS 3" Sand Mini Channel Kit with NDS Slotted Grate - Green

    Regular price From $92.75 USD
    Regular price Sale price From $92.75 USD
    Unit price /  per 
  • MCK-BA-CATH-D NDS Mini Channel Kit in Grey with TDS Bronze Age Ductile Iron Cathedral Grates

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Cathedral Grate - Ductile Iron

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Cathedral Grate - Ductile Iron

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 USD
    Unit price /  per 
  • NDS 243 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BLACK

    NDS 243 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BLACK

    NDS 243 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BLACK

    Regular price $461.21 USD
    Regular price Sale price $461.21 USD
    Unit price /  per 
  • NDS 251 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    NDS 251 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    NDS 251 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    Regular price $497.05 USD
    Regular price Sale price $497.05 USD
    Unit price /  per 
  • NDS 253S - Box of 12 - Class B ADA Compliant Heel-Proof Wave HDPE 4" x 24" Grate - SAND

    NDS 253S - Box of 12 - Class B ADA Compliant Heel-Proof Wave HDPE 4" x 24" Grate - SAND

    NDS 253S - Box of 12 - Class B ADA Compliant Heel-Proof Wave HDPE 4" x 24" Grate - SAND

    Regular price $665.06 USD
    Regular price Sale price $665.06 USD
    Unit price /  per 
  • NDS 244 -Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - SAND

    NDS 244 -Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - SAND

    NDS 244 -Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - SAND

    Regular price $399.55 USD
    Regular price Sale price $399.55 USD
    Unit price /  per 
  • MCK-IA-LOC-BF

    NDS 3" Gray Mini Channel Kit with Iron Age Locust Grate - Baked on Oil Finish

    NDS 3" Gray Mini Channel Kit with Iron Age Locust Grate - Baked on Oil Finish

    Regular price From $400.64 USD
    Regular price Sale price From $400.64 USD
    Unit price /  per 
  • NDS400 Spee-D Channel

    NDS Spee-D® Channel HDPE 4" x 48"

    NDS Spee-D® Channel HDPE 4" x 48"

    Regular price $48.34 USD
    Regular price Sale price $48.34 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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