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Drainage Kits
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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
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      • Zurn
      • All Manufacturers
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      • All Drainage Systems
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  • ULMA HYDROPLUS Mini with Interlaken Raw IA-INTER-0520 Class B

    HYDROPLUS Mini w/ Iron Age 5"x 20" Interlaken Raw Cast Iron Grate | Class B

    HYDROPLUS Mini w/ Iron Age 5"x 20" Interlaken Raw Cast Iron Grate | Class B

    Regular price From $389.00 USD
    Regular price Sale price From $389.00 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-JOE-0520-HP-BF Iron Age Regular Joe Heel Proof BoOF Grate_Class B

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP-BF Regular Joe Heel Proof - BoOF

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP-BF Regular Joe Heel Proof - BoOF

    Regular price From $553.84 USD
    Regular price Sale price From $553.84 USD
    Unit price /  per 
  • HYDROM-ANISE-0520-HP ULMA HYDROPLUS Anise 0520-Raw

    ULMA HYDROPLUS Mini w/ Iron Age IA-ANISE-0520-HP Anise Heel Proof Cast Iron Grate | Class B

    ULMA HYDROPLUS Mini w/ Iron Age IA-ANISE-0520-HP Anise Heel Proof Cast Iron Grate | Class B

    Regular price From $396.78 USD
    Regular price Sale price From $396.78 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $373.44 USD
    Regular price Sale price From $373.44 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ LUNA Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ LUNA Ductile Iron Heel-Proof Grate - RAW

    Regular price From $338.65 USD
    Regular price Sale price From $338.65 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ WAVE Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ WAVE Ductile Iron Heel-Proof Grate - RAW

    Regular price From $338.65 USD
    Regular price Sale price From $338.65 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ CATHEDRAL Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ CATHEDRAL Ductile Iron Heel-Proof Grate - RAW

    Regular price From $338.65 USD
    Regular price Sale price From $338.65 USD
    Unit price /  per 
  • ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Regular price From $174.64 USD
    Regular price Sale price From $174.64 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini with IA-JANIS-0520 Iron Age Janis Grate Raw

    ULMA HYDROPLUS Mini w/ Iron Age 5" Janis Raw Cast Iron Grate | Class B

    ULMA HYDROPLUS Mini w/ Iron Age 5" Janis 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 MINI PLUS with IA-BAY-0520-HP Raw

    ULMA HYDROPLUS Mini IA-BAY-0520-HP Iron Age Mission Bay HP Raw Cast Iron Grate | Class B

    ULMA HYDROPLUS Mini IA-BAY-0520-HP Iron Age Mission Bay HP 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 Mini Plus H80 with IA-LOC-0520 Iron Age Locust Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age 5" Locust Raw Cast Iron Grate | Class B

    ULMA HYDROPLUS Mini w/ Iron Age 5" Locust 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 Mini Plus H80 with IA-IA-JOE-0520-HP Iron Age Regular Joe Heel Proof Grate Class B

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

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

    Regular price From $396.78 USD
    Regular price Sale price From $396.78 USD
    Unit price /  per 
  • ULMA M100KX Polymer Concrete Stainless Steel edged channel with 497 Mesh grate

    ULMA M100KX Kit with 497 / PE100KCBM Mesh Polypropylene Grate

    ULMA M100KX Kit with 497 / PE100KCBM Mesh Polypropylene Grate

    Regular price From $392.82 USD
    Regular price Sale price From $392.82 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    ULMA U100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    Regular price From $381.33 USD
    Regular price Sale price From $381.33 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ PEDREDA Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ PEDREDA Ductile Iron Heel-Proof Grate - RAW

    Regular price From $338.65 USD
    Regular price Sale price From $338.65 USD
    Unit price /  per 
  • ULMA D100 with 410 perforated stainless steel grate

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Regular price From $261.36 USD
    Regular price Sale price From $261.36 USD
    Unit price /  per 
  • ULMA M100KX stainless steel edged polymer concrete channel with 440 stainless perforated grate

    ULMA M100KX Kit with 440 / IP100KCA Stainless Steel Perforated Grate

    ULMA M100KX Kit with 440 / IP100KCA Stainless Steel Perforated Grate

    Regular price From $444.45 USD
    Regular price Sale price From $444.45 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini Channel - Bottom View

    ULMA HYDROPLUS Mini with Stainless Steel Slotted Grate (454 / IN100KCC) Class C

    ULMA HYDROPLUS Mini with Stainless Steel Slotted Grate (454 / IN100KCC) Class C

    Regular price From $427.09 USD
    Regular price Sale price From $427.09 USD
    Unit price /  per 
  • ULMA U100KX Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

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

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

    Regular price From $240.15 USD
    Regular price Sale price From $240.15 USD
    Unit price /  per 
  • ULMA D100 with steel slotted 420 grates

    ULMA D100 Drain Channel w/420 Slotted Galvanized Grate - Class A

    ULMA D100 Drain Channel w/420 Slotted Galvanized Grate - Class A

    Regular price From $273.37 USD
    Regular price Sale price From $273.37 USD
    Unit price /  per 
  • Hydro Mini Plus with 488 Vinylester FRP .6 on center Grate Class C_1 Meter

    ULMA HYDROPLUS Mini with 488 Fiberglass bar grate - Load Class C

    ULMA HYDROPLUS Mini with 488 Fiberglass bar grate - Load Class C

    Regular price From $449.47 USD
    Regular price Sale price From $449.47 USD
    Unit price /  per 
  • ULMA M100V w/Bronze Age™ FERN Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ FERN Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ FERN Ductile Iron Heel-Proof Grate - RAW

    Regular price From $338.65 USD
    Regular price Sale price From $338.65 USD
    Unit price /  per 
  • ULMA M100V w/Bronze Age™ BARS Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ BARS Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ BARS Ductile Iron Heel-Proof Grate - RAW

    Regular price From $338.65 USD
    Regular price Sale price From $338.65 USD
    Unit price /  per 
  • MV+200KX-658

    ULMA MV+200KX w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    ULMA MV+200KX w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    Regular price From $318.53 USD
    Regular price Sale price From $318.53 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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