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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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      • All Channel Materials
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • 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
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  • 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 
  • ULMA Hydro Mini Plus H80 with IA-IA-JOE-0520-BF Iron Age Regular Joe Grate BoOF Class B

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

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

    Regular price From $500.54 USD
    Regular price Sale price From $500.54 USD
    Unit price /  per 
  • 8" Fiberglass Kit w/ Mesh Grate and EZ Frame - Load Class A

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

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

    Regular price From $355.16 USD
    Regular price Sale price From $355.16 USD
    Unit price /  per 
  • 8" Fiberglass Kit w/ Mesh Grate and WYE Frame - Load Class A

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

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

    Regular price From $389.36 USD
    Regular price Sale price From $389.36 USD
    Unit price /  per 
  • FG-T1215-WYE-12 Fiberglass T-Bar grate with WYE Frame

    12" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

    12" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

    Regular price From $460.06 USD
    Regular price Sale price From $460.06 USD
    Unit price /  per 
  • FG-T1215-EZ-12 Fiberglass T-Bar grate with EZ Frame

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

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

    Regular price From $434.86 USD
    Regular price Sale price From $434.86 USD
    Unit price /  per 
  • 10" Fiberglass Kit w/ Mesh Grate and EZ Frame - Load Class A

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

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

    Regular price From $397.27 USD
    Regular price Sale price From $397.27 USD
    Unit price /  per 
  • FGK-T1215-EZ-09 FRP EZ Frame and Grate Kit

    9" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

    9" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

    Regular price From $392.90 USD
    Regular price Sale price From $392.90 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $368.66 USD
    Regular price Sale price From $368.66 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    Regular price From $369.65 USD
    Regular price Sale price From $369.65 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 
  • 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 
  • POLY600-XX-675

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675 Transverse Slotted HDPE Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675 Transverse Slotted HDPE Grate

    Regular price From $315.12 USD
    Regular price Sale price From $315.12 USD
    Unit price /  per 
  • PCK5-DG0647 POLYCAST 500 Series with DG0647 Stainless Steel Grates

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $359.91 USD
    Regular price Sale price From $359.91 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 
  • POLY500-xx-641-TDSdrains ductile iron slotted grate shallow POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate

    Regular price From $319.31 USD
    Regular price Sale price From $319.31 USD
    Unit price /  per 
  • U100K-462

    ULMA U100KX Drainage Kit w/TDS 462G Ductile Iron Grate

    ULMA U100KX Drainage Kit w/TDS 462G Ductile Iron Grate

    Regular price From $199.14 USD
    Regular price Sale price From $199.14 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100KX Drain Channel kit w/Bronze Age™ WAVE Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ WAVE Grate-RAW

    Regular price From $488.80 USD
    Regular price Sale price From $488.80 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Regular price From $488.80 USD
    Regular price Sale price From $488.80 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    Regular price From $488.80 USD
    Regular price Sale price From $488.80 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    Regular price From $488.80 USD
    Regular price Sale price From $488.80 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Regular price From $488.80 USD
    Regular price Sale price From $488.80 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100KX Drain Channel kit w/Bronze Age™ FERN Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ FERN Grate-RAW

    Regular price From $488.80 USD
    Regular price Sale price From $488.80 USD
    Unit price /  per 
  • POLY600-xx-647-DK stainless steel slotted grate polymer concrete channel

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $402.39 USD
    Regular price Sale price From $402.39 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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