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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
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      • Fiberglass
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      • NDS
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      • Zurn
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    • 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
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  • ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Regular price From $174.64 USD
    Regular price Sale price From $174.64 USD
    Unit price /  per 
  • ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    Regular price From $174.64 USD
    Regular price Sale price From $174.64 USD
    Unit price /  per 
  • ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    Regular price From $174.64 USD
    Regular price Sale price From $174.64 USD
    Unit price /  per 
  • 497 PE100KCBM_ADA Mesh Polypropylene Grate

    ULMA 497 / PE100KCBM Class B ADA Compliant Mesh HDPE 123mm x 500mm Grate

    ULMA 497 / PE100KCBM Class B ADA Compliant Mesh HDPE 123mm x 500mm Grate

    Regular price $43.83 USD
    Regular price Sale price $43.83 USD
    Unit price /  per 
  • ULMA channel with galvanized edge and Carbochon Baked on Oil Finish grate

    ULMA U100K Drainage Kit with Iron Age Carbochon Grate | Baked on Oil Finish

    ULMA U100K Drainage Kit with Iron Age Carbochon Grate | Baked on Oil Finish

    Regular price From $765.40 USD
    Regular price Sale price From $765.40 USD
    Unit price /  per 
  • UNV100KA ULMA Open End Cap

    UNV100KA / TUNIU100KGA Universal Galvanized Steel End Outlet ULMA100K

    UNV100KA / TUNIU100KGA Universal Galvanized Steel End Outlet ULMA100K

    Regular price $50.37 USD
    Regular price Sale price $50.37 USD
    Unit price /  per 
  • ULMA U100K with 486 Vinyl Ester 0.9 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Regular price From $637.05 USD
    Regular price Sale price From $637.05 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $373.44 USD
    Regular price Sale price From $373.44 USD
    Unit price /  per 
  • U100K00M-Interlaken-boof cast iron deco ironage grate polymer concrete channel galv edge

    ULMA U100K Drainage Kit with Iron Age Interlaken Grate | Baked on Oil Finish

    ULMA U100K Drainage Kit with Iron Age Interlaken Grate | Baked on Oil Finish

    Regular price From $765.40 USD
    Regular price Sale price From $765.40 USD
    Unit price /  per 
  • U100K-TDS0461 cast iron class E grate ulma polymer concrete channel

    ULMA U100K Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    ULMA U100K Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Regular price From $1,788.15 USD
    Regular price Sale price From $1,788.15 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    ULMA U100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    Regular price From $381.33 USD
    Regular price Sale price From $381.33 USD
    Unit price /  per 
  • U100KM-GN100KCA Galv. Steel Slotted class A grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with ULMA 420 Slotted Grate | Galvanized Load Class A

    ULMA U100K Drainage Kit with ULMA 420 Slotted Grate | Galvanized Load Class A

    Regular price From $110.04 USD
    Regular price Sale price From $110.04 USD
    Unit price /  per 
  • U100K-GreekKey-boof cast iron deco ironage grate polymer concrete channel ULMA galv edge

    ULMA U100K Drainage Kit with Iron Age Greek Key Grate | Baked on Oil Finish

    ULMA U100K Drainage Kit with Iron Age Greek Key Grate | Baked on Oil Finish

    Regular price From $765.40 USD
    Regular price Sale price From $765.40 USD
    Unit price /  per 
  • ULMA U100K with 488 Vinyl Ester 0.6 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.6" on Center

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.6" on Center

    Regular price From $687.65 USD
    Regular price Sale price From $687.65 USD
    Unit price /  per 
  • U100K-Janis-boof ironage cast iron grate polymer concrete ulma channel

    ULMA U100K Drainage Kit with Iron Age Janis Grate | Baked on Oil Finish

    ULMA U100K Drainage Kit with Iron Age Janis Grate | Baked on Oil Finish

    Regular price From $765.40 USD
    Regular price Sale price From $765.40 USD
    Unit price /  per 
  • U100K with 402 Galvanized Steel Mesh Grate

    ULMA U100K Drainage Kit with ULMA 402 Mesh Grate | Galvanized

    ULMA U100K Drainage Kit with ULMA 402 Mesh Grate | Galvanized

    Regular price From $157.74 USD
    Regular price Sale price From $157.74 USD
    Unit price /  per 
  • ULMA U100K with Galvanized Edge and Polypropylene Mesh Grate

    ULMA U100K Kit w/ ULMA 497 / PE100KCBM Polypropylene Mesh Grate

    ULMA U100K Kit w/ ULMA 497 / PE100KCBM Polypropylene Mesh Grate

    Regular price From $397.00 USD
    Regular price Sale price From $397.00 USD
    Unit price /  per 
  • U100K-MissionBay-boof Ironage deco cast iron grate polymer concrete channel galv edge

    ULMA U100K Drainage Kit with Iron Age Mission Bay Grate | Baked on Oil Finish

    ULMA U100K Drainage Kit with Iron Age Mission Bay Grate | Baked on Oil Finish

    Regular price From $765.40 USD
    Regular price Sale price From $765.40 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

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

    Regular price From $386.59 USD
    Regular price Sale price From $386.59 USD
    Unit price /  per 
  • U100K-MissionBay Cast Iron deco ironage grate polymer concrete channel ULMA galv edge

    ULMA U100K Drainage Kit with Iron Age Mission Bay Grate | Natural

    ULMA U100K Drainage Kit with Iron Age Mission Bay Grate | Natural

    Regular price From $653.86 USD
    Regular price Sale price From $653.86 USD
    Unit price /  per 
  • Ulma U100K Channel with Galvanized Steel edge and an Iron Age Design Minnione Grate with Baked on oli finishron grate ironage ulma polymer concrete channel galv edge

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Baked on Oil Finish

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Baked on Oil Finish

    Regular price From $765.40 USD
    Regular price Sale price From $765.40 USD
    Unit price /  per 
  • U100K-RegularJoe-boof Ironage deco cast iron grate polymer concrete ULMA channel galv edge

    ULMA U100K Drainage Kit with Iron Age Regular Joe Grate | Baked on Oil Finish

    ULMA U100K Drainage Kit with Iron Age Regular Joe Grate | Baked on Oil Finish

    Regular price From $765.40 USD
    Regular price Sale price From $765.40 USD
    Unit price /  per 
  • U100KM-GP100KCA 402 galv. steel perforated grate class a polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with ULMA 410 Perforated Grate | Galvanized Class A

    ULMA U100K Drainage Kit with ULMA 410 Perforated Grate | Galvanized Class A

    Regular price From $333.68 USD
    Regular price Sale price From $333.68 USD
    Unit price /  per 
  • U100KM-FNHX100KCCM-1 cast iron heel-proof grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with 480 Ductile Iron Heel-Proof Grate

    ULMA U100K Drainage Kit with 480 Ductile Iron Heel-Proof Grate

    Regular price From $417.06 USD
    Regular price Sale price From $417.06 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
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