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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
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      • All Load Classes
  • Grates
    • 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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      • Ductile/Cast Iron
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  • NDS-Spee-D-channel-Botanical-BooF

    NDS Spee-D® Channel w/ 252CI-BF Botanical Cast Iron 4"x24" BoOF Grate

    NDS Spee-D® Channel w/ 252CI-BF Botanical Cast Iron 4"x24" BoOF Grate

    Regular price From $260.68 USD
    Regular price Sale price From $260.68 USD
    Unit price /  per 
  • NDS500-BA-SLOT-A Aluminum

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

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

    Regular price From $742.40 USD
    Regular price Sale price From $742.40 USD
    Unit price /  per 
  • MCK-IA-QUE-HP Mini Channel with Raw Que Grate

    NDS 3" Gray Mini Channel Kit with Iron Age Que Grate - Natural

    NDS 3" Gray Mini Channel Kit with Iron Age Que Grate - Natural

    Regular price From $587.08 USD
    Regular price Sale price From $587.08 USD
    Unit price /  per 
  • Natural Minnione with Grey Mini Channel

    NDS 3" Gray Mini Channel Kit with Iron Age Minnione Grate - Natural

    NDS 3" Gray Mini Channel Kit with Iron Age Minnione Grate - Natural

    Regular price From $587.08 USD
    Regular price Sale price From $587.08 USD
    Unit price /  per 
  • Natural Locust in Grey Mini Channel

    NDS 3" Gray Mini Channel Kit with Iron Age Locust Grate - Natural

    NDS 3" Gray Mini Channel Kit with Iron Age Locust Grate - Natural

    Regular price From $587.08 USD
    Regular price Sale price From $587.08 USD
    Unit price /  per 
  • ULMA HydroMini Plus with 402 Galvanized Mesh Grate load class B

    ULMA HYDROPLUS Mini with Galvanized Mesh Grate (402 / GEX100KCB) Class B

    ULMA HYDROPLUS Mini with Galvanized Mesh Grate (402 / GEX100KCB) Class B

    Regular price From $154.19 USD
    Regular price Sale price From $154.19 USD
    Unit price /  per 
  • MCK-BA-SLOT-0336 Grey NDS Mini Channel with Stainless Steel Transverse Slotted Grate

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

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

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ BARS Ductile Iron Grate - Class E

    ULMA HYDROPLUS w/ BARS Ductile Iron Grate - Class E

    ULMA HYDROPLUS w/ BARS Ductile Iron Grate - Class E

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus with 461D Ductile Iron Slotted Class E 0.5M Grate

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (461D) Class E

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (461D) Class E

    Regular price From $155.76 USD
    Regular price Sale price From $155.76 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ FERN Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ FERN Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ FERN Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • MCKS-IA-Carb-TDSdrains NDS Sand Mini Channel with Iron Age Carbochon Grate

    NDS 3" Sand Mini Channel Kit with Iron Age Carbochon Grate - Natural

    NDS 3" Sand Mini Channel Kit with Iron Age Carbochon Grate - Natural

    Regular price From $568.62 USD
    Regular price Sale price From $568.62 USD
    Unit price /  per 
  • Hydro Plus with 406 Heelproof Galvanized Mesh Grate

    ULMA HYDROPLUS with 406 / GEHX100KCB Galvanized Heel-Proof Mesh Grate Class B

    ULMA HYDROPLUS with 406 / GEHX100KCB Galvanized Heel-Proof Mesh Grate Class B

    Regular price From $1,622.03 USD
    Regular price Sale price From $1,622.03 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $575.07 USD
    Regular price Sale price From $575.07 USD
    Unit price /  per 
  • NDS Slim Channel Kit with BA-SLOT-0212 Natural Bronze Slotted Grate

    NDS Slim Channel Kit with TDS Bronze Slotted Grate - Natural Finish

    NDS Slim Channel Kit with TDS Bronze Slotted Grate - Natural Finish

    Regular price From $971.38 USD
    Regular price Sale price From $971.38 USD
    Unit price /  per 
  • MCK-BA-cath-0336 Grey NDS Mini Channel with Stainless Steel Cathedral Grate

    3" Gray NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    3" Gray NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • Trench Drain Systems natural bronze cathedral grates for NDS mini channel

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

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

    Regular price From $1,012.40 USD
    Regular price Sale price From $1,012.40 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Rain BOOF Grate

    ULMA HYDROPLUS with Iron Age RNN3-12I01HP / IA-RAIN-0520 Rain BoOF Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age RNN3-12I01HP / IA-RAIN-0520 Rain BoOF Cast Iron Grate Class B

    Regular price From $486.92 USD
    Regular price Sale price From $486.92 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    Regular price From $183.00 USD
    Regular price $237.16 USD Sale price From $183.00 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    Regular price From $183.00 USD
    Regular price $237.16 USD Sale price From $183.00 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini w/ WAVE Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ WAVE Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ WAVE Ductile Iron Grate Class C

    Regular price From $183.00 USD
    Regular price $237.16 USD Sale price From $183.00 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    Regular price From $183.00 USD
    Regular price $237.16 USD Sale price From $183.00 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini w/ LUNA Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ LUNA Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ LUNA Ductile Iron Grate Class C

    Regular price From $183.00 USD
    Regular price $237.16 USD Sale price From $183.00 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Regular price From $179.86 USD
    Regular price Sale price From $179.86 USD
    Unit price /  per 
  • MMG-SS-CATH MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Cathedral HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Cathedral HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $684.98 USD
    Regular price Sale price From $684.98 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 HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
Shop All

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