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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • Load Class E
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      • 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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      • Stainless Steel
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Products Blogs
  • Hydro Plus with Interlaken Raw Grate IA-INTER-0520

    ULMA HYDROPLUS with Iron Age IA-INTER-0520 Interlaken Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-INTER-0520 Interlaken Raw Cast Iron Grate Class B

    Regular price From $434.71 USD
    Regular price $456.60 USD Sale price From $434.71 USD
    Unit price /  per 
    Sale
  • NDS-mini-554GYKit-TDSdrains

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

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

    Regular price From $94.73 USD
    Regular price Sale price From $94.73 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 
  • IA-RAIN-0520-HP-BF

    Iron Age IA-RAIN-0520-HP-BF Class B Heel-Proof Rain Cast Iron 122mm x 500mm Grate - BoOF

    Iron Age IA-RAIN-0520-HP-BF Class B Heel-Proof Rain Cast Iron 122mm x 500mm Grate - BoOF

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • M100K-Interlaken raw cast iron deco grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Iron Age Interlaken Grate

    Sale

    ULMA M100K W/Iron Age Interlaken Grate

    Regular price From $518.94 USD
    Regular price $557.52 USD Sale price From $518.94 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and Iron Age Minnione grate

    ULMA U100KX Drain Channel w/ Iron Age Minnione Grate - RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Minnione Grate - RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • FGK-MESH-EZ-08 Fiberglass Grate

    FG-MESH-0848 Mesh Fiberglass 8"X48"x1.5" Grate Load Class C

    FG-MESH-0848 Mesh Fiberglass 8"X48"x1.5" Grate Load Class C

    Regular price $191.31 USD
    Regular price Sale price $191.31 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Argo Baked on Oil Finish grate

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

    Sale

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

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • M100K-GreekKey Iron Age raw cast iron deco grate polymer concrete galv edge ULMA channel

    ULMA M100K W/ Iron Age Greek Key Grate

    Sale

    ULMA M100K W/ Iron Age Greek Key Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini w/ 465 Ductile Iron Grate Class B

    ULMA HYDROPLUS Mini w/ 465 Ductile Iron Grate Class B

    Sale

    ULMA HYDROPLUS Mini w/ 465 Ductile Iron Grate Class B

    Regular price From $102.68 USD
    Regular price $125.16 USD Sale price From $102.68 USD
    Unit price /  per 
    Sale
  • MCKS-BA-PED-BF NDS Mini Channel In sand with TDS Bronze Age Pedreda Grate with BoOF

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

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

    Regular price From $258.32 USD
    Regular price Sale price From $258.32 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 $612.82 USD
    Regular price Sale price From $612.82 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with ULMA 495 ADA Heel proof Polypropylene Grey Grate-Class A

    ULMA HYDROPLUS with 495 / PNH100KCAM- Polypropylene ADA/HP Class A Gray Grate

    Sale

    ULMA HYDROPLUS with 495 / PNH100KCAM- Polypropylene ADA/HP Class A Gray Grate

    Regular price From $141.22 USD
    Regular price $178.94 USD Sale price From $141.22 USD
    Unit price /  per 
    Sale
  • NDS-Dura-XX-603-TDSdrains cast iron tile grate hpde channel nds

    NDS® Dura Slope Kit with DS-603 Cast Iron Tile Grate - RAW

    NDS® Dura Slope Kit with DS-603 Cast Iron Tile Grate - RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • Polymer concrete channel by Hubbell POLYCAST either pre-sloped or neutral

    POLYCAST 600 - Vinyl Ester Sloped Channel Kit - w/o Grates

    POLYCAST 600 - Vinyl Ester Sloped Channel Kit - w/o Grates

    Regular price From $326.68 USD
    Regular price Sale price From $326.68 USD
    Unit price /  per 
  • FGK-HLC-EZ-14 Fiberglass Mesh Grate with EZ Frame

    14" Fiberglass Kit w/ HLC Grate and EZ Frame - Load Class C

    14" Fiberglass Kit w/ HLC Grate and EZ Frame - Load Class C

    Regular price From $859.98 USD
    Regular price Sale price From $859.98 USD
    Unit price /  per 
  • DP0650 Polycast 600 Foam Stainless Steel Grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0632H Stainless Foam Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0632H Stainless Foam Grate

    Regular price $458.56 USD
    Regular price Sale price $458.56 USD
    Unit price /  per 
  • NDS900-4-Catch-Basin (1)

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Black

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Black

    Regular price From $99.57 USD
    Regular price Sale price From $99.57 USD
    Unit price /  per 
  • Ulma U100KX Channel with Iron Age Heel proof Mission Bay grating in Baked on Oil finish

    ULMA U100KX Drain Channel w/ Iron Age Mission Bay Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Mission Bay Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • 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

    Sale

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

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • ULMA U100KX with 486 Vinyl Ester 0.9 FRP Grate

    ULMA U100KX Kit with TDS 486 Vinyl Ester Bar Center Grate 0.9" on Center - Class B

    Sale

    ULMA U100KX Kit with TDS 486 Vinyl Ester Bar Center Grate 0.9" on Center - Class B

    Regular price From $572.06 USD
    Regular price $725.51 USD Sale price From $572.06 USD
    Unit price /  per 
    Sale
  • Natural Bronze Pedreda Grates-Grey Mini Channel

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

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

    Regular price From $465.44 USD
    Regular price Sale price From $465.44 USD
    Unit price /  per 
  • U100KM-Locust-boof cast iron deco ironage grate polymer concrete ULMA channel galv edge

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • 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

    Sale

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

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • TDS-6455 cast iron heavy duty grate

    US Foundry 6455 Heavy Duty Slotted Cast Iron 17" x 24" Grate

    US Foundry 6455 Heavy Duty Slotted Cast Iron 17" x 24" Grate

    Regular price $299.09 USD
    Regular price Sale price $299.09 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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