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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
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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
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Products Blogs
  • NDS 240 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - WHITE

    NDS 240 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - WHITE

    NDS 240 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - WHITE

    Regular price $461.21 USD
    Regular price Sale price $461.21 USD
    Unit price /  per 
  • NDS 252GY Class B ADA Compliant Botanical HDPE 4" x 24" (Nominal) Grate - GRAY

    NDS 252GY Class B ADA Compliant Botanical HDPE 4" x 24" (Nominal) Grate - GRAY

    NDS 252GY Class B ADA Compliant Botanical HDPE 4" x 24" (Nominal) Grate - GRAY

    Regular price $55.42 USD
    Regular price Sale price $55.42 USD
    Unit price /  per 
  • NDS-252S-TDSdrains

    NDS 252S Class B ADA Compliant Botanical HDPE 4" x 24" Grate - SAND

    NDS 252S Class B ADA Compliant Botanical HDPE 4" x 24" Grate - SAND

    Regular price $55.42 USD
    Regular price Sale price $55.42 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 
  • NDS Mini Channel with Sand Slotted Grates

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

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

    Regular price From $86.72 USD
    Regular price Sale price From $86.72 USD
    Unit price /  per 
  • SS600 WITH DG0631 STAINLESS SLOTTED GRATE

    SS600 Stainless Steel Drain Kit w/ DG0631 Slotted 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0631 Slotted 304 Stainless Steel Grate | Class A

    Regular price From $1,452.34 USD
    Regular price Sale price From $1,452.34 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-SLOT-D NDS Mini Channel in Gray with TDS Bronze Age Grates in Ductile Iron Slot Grate

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

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

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 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 
  • MCK-BA-PED-D NDS Mini Channel in Grey with TDS Bronze Age Grates in ductile Iron

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

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

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 USD
    Unit price /  per 
  • NDS-BK-Wave-cast-iron-grate-TDSdrains

    NDS 253CI-BF Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - BoOF

    NDS 253CI-BF Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - BoOF

    Regular price $201.72 USD
    Regular price Sale price $201.72 USD
    Unit price /  per 
  • NDS Mini Channel with Black Slotted Grate

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

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

    Regular price From $86.72 USD
    Regular price Sale price From $86.72 USD
    Unit price /  per 
  • NDS 253 - Box of 12 - Class B ADA Compliant Heel-Proof Wave HDPE 4" x 24" Grate -BLACK

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

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

    Regular price $665.06 USD
    Regular price Sale price $665.06 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-interlaken-2 IA-INTER-0520

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

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

    Regular price $147.29 USD
    Regular price Sale price $147.29 USD
    Unit price /  per 
  • MCKS-BA-LUNA-D NDS Mini Channel in Sand with TDS Bronze Age Luna Grate in Ductile Iron

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

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

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • NDS-Wave-cast-iron-grate-TDSdrains

    NDS 253CI Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - RAW

    NDS 253CI Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - RAW

    Regular price $174.12 USD
    Regular price Sale price $174.12 USD
    Unit price /  per 
  • NDS Mini Channel Kit with White Plastic Slotted Grates

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

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

    Regular price From $86.72 USD
    Regular price Sale price From $86.72 USD
    Unit price /  per 
  • MCKS-541 Mini Channel Gray Slotted Grate

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

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

    Regular price From $92.75 USD
    Regular price Sale price From $92.75 USD
    Unit price /  per 
  • NDS DS-226-SS Perforated Duraslope Grate

    NDS DS-226 Class A ADA Compliant Perforated Stainless 6" x 24" Grate

    NDS DS-226 Class A ADA Compliant Perforated Stainless 6" x 24" Grate

    Regular price $233.36 USD
    Regular price Sale price $233.36 USD
    Unit price /  per 
  • Spee-D BA Square Deco Galvanized Grate

    Bronze Age TDS-DECO-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-DECO-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • Spee-D BA Foam Galvanized Grate

    Bronze Age TDS-FOAM-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-FOAM-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • MCK-BA-STAR-D NDS Mini Channel in Grey with TDS Bronze Age Ductile Iron Star Grate

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

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

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 USD
    Unit price /  per 
  • NDS Mini Channel with Green Slotted Grate

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

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

    Regular price From $86.72 USD
    Regular price Sale price From $86.72 USD
    Unit price /  per 
  • NDS 229 Stainless Steel Screws

    NDS 229 Stainless Screws for Spee-D® Channel Slotted Grates (48 PCS)

    NDS 229 Stainless Screws for Spee-D® Channel Slotted Grates (48 PCS)

    Regular price $39.28 USD
    Regular price Sale price $39.28 USD
    Unit price /  per 
  • BA-CATH-0336 Stainless Steel Slot 3x36

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Regular price $83.00 USD
    Regular price Sale price $83.00 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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