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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 D
      • 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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  • 5inch-cast-iron-que-hp

    Iron Age IA-QUE-0520-HP Class B Heel-Proof Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-QUE-0520-HP Class B Heel-Proof Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • ULMA MultiV200 661 - FNX200RGEM Class E

    ULMA 661 Slotted Ductile Iron 9x20 Class E Grate - MultiV+200

    Sale

    ULMA 661 Slotted Ductile Iron 9x20 Class E Grate - MultiV+200

    Regular price $81.02 USD
    Regular price $104.17 USD Sale price $81.02 USD
    Unit price /  per 
    Sale
  • NDS Slim Channel Kit with Gray Chain Grate

    NDS Slim Channel Kit with NDS 9263 Chain Grate - GRAY

    NDS Slim Channel Kit with NDS 9263 Chain Grate - GRAY

    Regular price From $84.60 USD
    Regular price Sale price From $84.60 USD
    Unit price /  per 
  • ia-2x18-ci-grate-regular-joe- boof Iron Age 2"x18" Cast Iron Grate in Regular Joe with Baked on Oil FInish

    Iron Age IA-JOE-0218-HP-BF Class B HP Regular Joe Ductile Iron 2"x18" Grate – BoOF

    Iron Age IA-JOE-0218-HP-BF Class B HP Regular Joe Ductile Iron 2"x18" Grate – BoOF

    Regular price $144.43 USD
    Regular price Sale price $144.43 USD
    Unit price /  per 
  • MCK-BA-SLOT-BF NDS Mini Channel in Grey with TDS Bronze Age BoOF Ductile Iron Slotted Grate

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

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

    Regular price From $252.29 USD
    Regular price Sale price From $252.29 USD
    Unit price /  per 
  • Zurn Z884 with Cast Iron Slotted Grate

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Cast Iron Class B Grate

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Cast Iron Class B Grate

    Regular price From $380.32 USD
    Regular price Sale price From $380.32 USD
    Unit price /  per 
  • ULMA M100KX polymer concrete channel with stainless steel edge and Iron Age Baked on Oil Finish Cast Iron Oblio grate

    ULMA M100KX Kit with Iron Age Oblio Cast Iron Grate - BoOF

    Sale

    ULMA M100KX Kit with Iron Age Oblio Cast Iron Grate - BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • Ulma U100KX Channel with Iron Age Heel Proof Regular Joe Grate

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Sale

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Regular price From $719.51 USD
    Regular price $815.39 USD Sale price From $719.51 USD
    Unit price /  per 
    Sale
  • Hydro Mini Plus with 486 Vinylester FRP .9 on center Grate Class B_1 Meter

    ULMA HYDROPLUS Mini with 486 Fiberglass Grate - Load Class B

    Sale

    ULMA HYDROPLUS Mini with 486 Fiberglass Grate - Load Class B

    Regular price From $203.56 USD
    Regular price $254.87 USD Sale price From $203.56 USD
    Unit price /  per 
    Sale
  • ULMA Hydro Mini Plus H80 with IA-IA-JOE-0520-HP-BF Iron Age Regular Joe Heel Proof BoOF Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe BoOF Heel Proof Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe BoOF Heel Proof Cast Iron Grate | Class B

    Regular price From $519.86 USD
    Regular price $528.34 USD Sale price From $519.86 USD
    Unit price /  per 
    Sale
  • MCKS-BA-LUNA-BF NDS Mini Channel in Sand with TDS Bronze Age Grates in BoOF ductile iron

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

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

    Regular price From $258.32 USD
    Regular price Sale price From $258.32 USD
    Unit price /  per 
  • MCK-IA-RAIN-HP-BF NDS Mini Channel Kit in Gray with Iron Age Rain BoOF Ductile Iron Grate

    NDS 3″ Gray Mini Channel Kit with Iron Age Rain Grate – Baked on Oil Finish

    NDS 3″ Gray Mini Channel Kit with Iron Age Rain Grate – Baked on Oil Finish

    Regular price From $827.32 USD
    Regular price Sale price From $827.32 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 
  • ULMA drain channel with stainless steel edge and Iron Age Oblio Baked on Oil Finish grate

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

    Sale

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

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and Iron Age Carbochon Baked on Oil Finish grate

    ULMA U100KX w/ Iron Age Carbochon Grate-BoOF

    Sale

    ULMA U100KX w/ Iron Age Carbochon Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • Zurn Z884 with Cast Iron Slotted Grate

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

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

    Regular price From $413.12 USD
    Regular price Sale price From $413.12 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

    Sale

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

    Regular price From $125.26 USD
    Regular price $154.19 USD Sale price From $125.26 USD
    Unit price /  per 
    Sale
  • NDS500S-BA-BARS-A Sand Mini Channel Aluminum Bronze Age Bars Grate

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

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

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • MCKS-IA-RAIN-HP-BF NDS Mini Channel Kit in Sand with Heel Proof Iron Age Rain Grate in BoOF

    NDS 3″ Sand Mini Channel Kit with Iron Age Rain Grate – Baked on Oil Finish

    NDS 3″ Sand Mini Channel Kit with Iron Age Rain Grate – Baked on Oil Finish

    Regular price From $833.17 USD
    Regular price Sale price From $833.17 USD
    Unit price /  per 
  • IA-JOE-0520-HP-Iron Age Regular Joe Heel Proof 4.8x19.6 grate - Raw

    Iron Age IA-JOE-0520-HP Class B Heel-Proof Regular Joe Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-JOE-0520-HP Class B Heel-Proof Regular Joe Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • Iron Age Carbochon Grate with Sand Mini Channel MCKS-IA-Carb

    NDS 3" Sand Mini Channel Kit with Iron Age Carbochon Grate - Baked on Oil Finish

    NDS 3" Sand Mini Channel Kit with Iron Age Carbochon Grate - Baked on Oil Finish

    Regular price From $883.22 USD
    Regular price Sale price From $883.22 USD
    Unit price /  per 
  • SS600 channel with Stainless Steel Wire Wedge Grate

    SS600 Stainless Steel Drain Kit w/ DG0655 Wedge Wire Stainless Steel Grate | Class B

    SS600 Stainless Steel Drain Kit w/ DG0655 Wedge Wire Stainless Steel Grate | Class B

    Regular price From $1,740.81 USD
    Regular price Sale price From $1,740.81 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-Janis-raw2

    Iron Age IA-JANIS-0520 Class B Janis Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-JANIS-0520 Class B Janis Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • ULMA M100KX Channel with Stainless Steel Edge and Mission Bay Grate

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | RAW

    Sale

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • ULMA shallow drain channel with stainless steel edge and Iron Age Interlaken grate with Baked on Oil Finish

    M100KX w/ Interlaken Iron Age Grate & Stainless Edge -BoOF

    Sale

    M100KX w/ Interlaken Iron Age Grate & Stainless Edge -BoOF

    Regular price From $711.98 USD
    Regular price $772.21 USD Sale price From $711.98 USD
    Unit price /  per 
    Sale
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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 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
  • 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
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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