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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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      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • MAX Mini with NDS554CI-BF Botanical Cast Iron Grate

    TDS™ 3" Sand MAX Mini w/ Botanical BoOF Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Botanical BoOF Grate & Oil Rubbed Bronze Edge

    Regular price From $830.88 USD
    Regular price Sale price From $830.88 USD
    Unit price /  per 
  • 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 
  • 8in Micro Mesh- WYE Frame

    8" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and WYE Frame - Load Class A

    8" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and WYE Frame - Load Class A

    Regular price From $454.63 USD
    Regular price Sale price From $454.63 USD
    Unit price /  per 
  • POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    Regular price From $341.73 USD
    Regular price Sale price From $341.73 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 U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Regular price From $240.15 USD
    Regular price Sale price From $240.15 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 HYDROPLUS with Iron Age Janis BoOF Cast Iron Grate

    ULMA HYDROPLUS with Iron Age IA-JANIS-BF-0520 Janis BoOF Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age IA-JANIS-BF-0520 Janis BoOF Cast Iron Grate Class B

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 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 
  • Iron Age Cast Iron Paradise BoOF Grate

    ULMA HYDROPLUS with Iron Age PA5-20I21 / IA-PAR-0520 Paradise BoOF Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age PA5-20I21 / IA-PAR-0520 Paradise 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 
  • POLY700-AA-692

    POLYCAST® 700 Kit w/ DG0692 Patriot Ductile Iron Grate & Ductile Frame

    POLYCAST® 700 Kit w/ DG0692 Patriot Ductile Iron Grate & Ductile Frame

    Regular price From $354.09 USD
    Regular price Sale price From $354.09 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-Dura-XX-661-TDSdrains

    NDS® Dura Slope Kit with DS-661LG HDPE Slotted Grate | Light Gray

    NDS® Dura Slope Kit with DS-661LG HDPE Slotted Grate | Light Gray

    Regular price From $418.31 USD
    Regular price Sale price From $418.31 USD
    Unit price /  per 
  • NDS Dura Slope Stainless Steel Perforated Grate NDS226

    NDS Dura Slope Kit with DS-228 Galvanized Perforated Grate

    NDS Dura Slope Kit with DS-228 Galvanized Perforated Grate

    Regular price From $489.44 USD
    Regular price Sale price From $489.44 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 
  • POLYCAST 400 w/DG0442

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    Regular price From $265.11 USD
    Regular price Sale price From $265.11 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 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 
  • DP0600 POLYCAST 600 channel

    POLYCAST 600 Series Sloped Channel

    POLYCAST 600 Series Sloped Channel

    Regular price From $192.44 USD
    Regular price Sale price From $192.44 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 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
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    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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