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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
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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      • Polylok
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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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  • NDS Slotted Poly Grate with Sand Mini Channel MCKS-543

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

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

    Regular price From $92.75 USD
    Regular price Sale price From $92.75 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 
  • 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 
  • 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 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 
  • 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 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 
  • MCKS-TDS570-B-TDSdrains Sand Mini Channel with Deco Cathedral Bronze Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Cathedral Grate -Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Cathedral Grate -Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • NDS Mini Channel with Brushed Bronze Rain Drop Grate MCK-BA-RAIN-B

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

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

    Regular price From $514.94 USD
    Regular price Sale price From $514.94 USD
    Unit price /  per 
  • MAX Mini with natural bronze Tardis 3 inch grate

    TDS™ 3" MAX Mini w/ Natural Bronze Tardis Grate - Sand Channel

    TDS™ 3" MAX Mini w/ Natural Bronze Tardis Grate - Sand Channel

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    Regular price From $1,025.11 USD
    Regular price Sale price From $1,025.11 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 
  • 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 
  • NDS500-BA-LUNA-B Bronze Age Brushed Bronze Luna Grate

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

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

    Regular price From $514.94 USD
    Regular price Sale price From $514.94 USD
    Unit price /  per 
  • NDS 5380 90 Degree Corner with Grey channel and slotted grate

    NDS 5380 Mini Channel 90 Degree Elbow with Gray Channel and Gray Slotted Grate

    NDS 5380 Mini Channel 90 Degree Elbow with Gray Channel and Gray Slotted Grate

    Regular price $51.74 USD
    Regular price Sale price $51.74 USD
    Unit price /  per 
  • NDS500S-BA-STAR-B NDS Sand Mini Channel Bronze Age Brushed Bronze Stars Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • BA-SLOT-0312-A Bronze Age Aluminum Slotted Grate

    Bronze Age BA-SLOT-0312-A Class A Aluminum 3" x 12" Grate

    Bronze Age BA-SLOT-0312-A Class A Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • NDS500S-BA-LUNA-B NDS Mini Channel Bronze Age Brushed Bronze Luna Grate

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

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

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • Brushed Bronze Pedreda Grate

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

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

    Regular price From $514.94 USD
    Regular price Sale price From $514.94 USD
    Unit price /  per 
  • NDS500-BA-RAIN-BF

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Rain Drop Grate - BoOF

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Rain Drop Grate - BoOF

    Regular price From $252.29 USD
    Regular price Sale price From $252.29 USD
    Unit price /  per 
  • NDS500S-BA-BARS-B Sand Mini Channel Bronze Age Brushed Bronze Bars Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Bars Grate - Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Bars Grate - Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

    Bronze Age™ BA-SLOT-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Bronze Age™ BA-SLOT-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Regular price $64.95 USD
    Regular price Sale price $64.95 USD
    Unit price /  per 
  • BA-SLOT-0212-B Slim Channel Bronze Brushed Slotted Grate

    Bronze Age BA-SLOT-0212-B Class A Slotted Bronze Brushed Finish 2" x 12" Grate

    Bronze Age BA-SLOT-0212-B Class A Slotted Bronze Brushed Finish 2" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • NDS500-BA-STAR-B Bronze Age Brushed Bronze Stars

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

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

    Regular price From $514.94 USD
    Regular price Sale price From $514.94 USD
    Unit price /  per 
  • mini-channel-min-bf

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

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

    Regular price From $400.64 USD
    Regular price Sale price From $400.64 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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