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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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      • Zurn
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    • Popular Drainage Systems
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      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • FGK-MESH-EZ-12 FRP grate with EZ frame

    12" Fiberglass Kit w/ Mesh Grate and EZ Frame - Load Class A

    12" Fiberglass Kit w/ Mesh Grate and EZ Frame - Load Class A

    Regular price From $464.65 USD
    Regular price Sale price From $464.65 USD
    Unit price /  per 
  • ULMA D100-494

    ULMA D100 Drain Channel w/494 Slotted Plastic Grate - Class A

    ULMA D100 Drain Channel w/494 Slotted Plastic Grate - Class A

    Regular price From $301.12 USD
    Regular price Sale price From $301.12 USD
    Unit price /  per 
  • ULMA D100 Channel

    ULMA D100 Drain Channel w/ TDS 424 Slotted Reinforced Galvanized Grate - Class C

    ULMA D100 Drain Channel w/ TDS 424 Slotted Reinforced Galvanized Grate - Class C

    Regular price From $314.27 USD
    Regular price Sale price From $314.27 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 Hydro Mini Plus H80 with IA-ARGO-0520-HP Iron Age Argo Heel proof Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Regular price From $396.78 USD
    Regular price Sale price From $396.78 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-RIV-0520-BF Iron Age River Rock Grate- BoOF Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 USD
    Unit price /  per 
  • HYDRO PLUS with Iron Age Mission Bay Heel Proof BoOF Grate IA-BAY00520-HP-BF

    ULMA HYDROPLUS w/ Iron Age IA-BAY-0520-HP-BF Mission Bay HP BoOF Cast Iron Grate Class B

    ULMA HYDROPLUS w/ Iron Age IA-BAY-0520-HP-BF Mission Bay HP BoOF Cast Iron Grate Class B

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 USD
    Unit price /  per 
  • U100KM-FNHX100KCCM-2 Cast Iron Slotted grate class c polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with ULMA Ductile Iron Slotted Grate

    ULMA U100K Drainage Kit with ULMA Ductile Iron Slotted Grate

    Regular price From $393.03 USD
    Regular price Sale price From $393.03 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 D100-495

    ULMA D100 Drain Channel w/495 Gray Slotted Plastic Grate - Class A

    ULMA D100 Drain Channel w/495 Gray Slotted Plastic Grate - Class A

    Regular price From $309.00 USD
    Regular price Sale price From $309.00 USD
    Unit price /  per 
  • NDS Mini Channel with Natural Bronze Rain Drop Grate MCK-BA-RAIN

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

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

    Regular price From $1,012.40 USD
    Regular price Sale price From $1,012.40 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA D100 Drain Channel w/406 Mesh HP Galvanized Grate - Class B

    ULMA D100 Drain Channel w/406 Mesh HP Galvanized Grate - Class B

    Regular price From $387.65 USD
    Regular price Sale price From $387.65 USD
    Unit price /  per 
  • BA-PED-0312-BF TDS Bronze Age Pedreda BoOF grate

    TDS® 3" Gray Max Mini w/ Bronze Age™ Pedreda Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Gray Max Mini w/ Bronze Age™ Pedreda Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $659.78 USD
    Regular price Sale price From $659.78 USD
    Unit price /  per 
  • BA-BARS-0312-BF

    TDS® 3" Sand Max Mini w/ Bronze Age™ Bars Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Bars Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $659.78 USD
    Regular price Sale price From $659.78 USD
    Unit price /  per 
  • BA-RAIN-0312-BF TDS Bronze Age Rain Drop grate with BoOF

    TDS® 3" Sand Max Mini w/ Bronze Age™ Rain Drop Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Rain Drop Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $665.58 USD
    Regular price Sale price From $665.58 USD
    Unit price /  per 
  • BA-LUNA-0312-BF TDS Bronze Age Luna Grate in Ductile Iron with BoOF finish

    TDS® 3" Sand Max Mini w/ Bronze Age™ Luna Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Luna Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $665.58 USD
    Regular price Sale price From $665.58 USD
    Unit price /  per 
  • ULMA U100KX Kit

    ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

    ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

    Regular price From $135.10 USD
    Regular price Sale price From $135.10 USD
    Unit price /  per 
  • BA-STAR-0312-D TDS Bronze Age Star Grate in Ductile Iron

    TDS® 3" Gray Max Mini w/ Bronze Age™ Star Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Gray Max Mini w/ Bronze Age™ Star Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $665.58 USD
    Regular price Sale price From $665.58 USD
    Unit price /  per 
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

    TDS® 3" Gray Max Mini w/ Bronze Age™ Slot Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Gray Max Mini w/ Bronze Age™ Slot Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $653.98 USD
    Regular price Sale price From $653.98 USD
    Unit price /  per 
  • BA-STAR-0312-D TDS Bronze Age Star Grate in Ductile Iron

    TDS® 3" Sand Max Mini w/ Bronze Age™ Star Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Star Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $665.58 USD
    Regular price Sale price From $665.58 USD
    Unit price /  per 
  • MMS-BF-CATH-BF

    TDS® 3" Sand Max Mini w/ Bronze Age™ Cathedral Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Cathedral Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $665.58 USD
    Regular price Sale price From $665.58 USD
    Unit price /  per 
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

    TDS® 3" Sand Max Mini w/ Bronze Age™ Slot Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Slot Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $653.98 USD
    Regular price Sale price From $653.98 USD
    Unit price /  per 
  • NDS-Dura-XX-660-TDSdrains

    NDS® Dura Slope Kit with DS-660 HDPE Slotted Grate | White

    NDS® Dura Slope Kit with DS-660 HDPE Slotted Grate | White

    Regular price From $426.40 USD
    Regular price Sale price From $426.40 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 
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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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