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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
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      • ULMA U100K(X)
      • All Drainage Systems
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      • FP1200
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      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • PCK7-DG0692 Polycast 700 Channel with Ductile Iron Frame and DG0692 Patriot Grate

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

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

    Regular price From $342.20 USD
    Regular price Sale price From $342.20 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Oblio Raw Cast Iron

    ULMA HYDROPLUS with Iron Age OA5-20I21 / IA-OBLIO-0520 Oblio Raw Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age OA5-20I21 / IA-OBLIO-0520 Oblio Raw Cast Iron Grate Class B

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • MV+200K-661 ULMA MULTIV with galvanized edging with 661 grate

    ULMA MV+200K w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    ULMA MV+200K w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $260.81 USD
    Regular price Sale price From $260.81 USD
    Unit price /  per 
  • Iron Age Interlaken BoOF Grate on Sand Mini Channel MCKS-IA-Inter-BF

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

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

    Regular price From $389.51 USD
    Regular price Sale price From $389.51 USD
    Unit price /  per 
  • HYDRO PLUS with IA-BAY-0520-HP raw cast iron grate

    ULMA HYDROPLUS w/ Iron Age IA-BAY-0520-HP Mission Bay Heel Proof Raw Cast Iron Grate Class B

    ULMA HYDROPLUS w/ Iron Age IA-BAY-0520-HP Mission Bay Heel Proof Raw Cast Iron Grate Class B

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • ULMA D100-461

    ULMA D100 Drain Channel w/461D Slotted Ductile Iron Grate - Class E

    ULMA D100 Drain Channel w/461D Slotted Ductile Iron Grate - Class E

    Regular price From $340.52 USD
    Regular price Sale price From $340.52 USD
    Unit price /  per 
  • NDS-Spee-D-channel-Wave-grate-Raw

    NDS Spee-D® Channel w/ 253CI Wave Cast Iron 4"x24" RAW Grate

    NDS Spee-D® Channel w/ 253CI Wave Cast Iron 4"x24" RAW Grate

    Regular price From $234.28 USD
    Regular price Sale price From $234.28 USD
    Unit price /  per 
  • POLY600-xx-675D-TDsdrains cast iron transverse ada grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate

    Regular price From $325.14 USD
    Regular price Sale price From $325.14 USD
    Unit price /  per 
  • FGK-EZ EZ Frame for Fiberglass grates

    EZ Frame Rails for 1.5" or 2.0" Thick Grates - FGK-EZ-1520

    EZ Frame Rails for 1.5" or 2.0" Thick Grates - FGK-EZ-1520

    Regular price From $279.05 USD
    Regular price Sale price From $279.05 USD
    Unit price /  per 
  • POLY600-xx-675D-TDsdrains cast iron transverse ada grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    Regular price From $223.24 USD
    Regular price Sale price From $223.24 USD
    Unit price /  per 
  • NDS500S-BA-LUNA-B NDS Mini Channel Bronze Age Brushed Bronze Luna Grate

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

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

    Regular price From $471.47 USD
    Regular price Sale price From $471.47 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-RIV-0520 Iron Age River Rock Grate-Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520 River Rock - RAW

    ULMA HYDROPLUS with Iron Age IA-RIV-0520 River Rock - RAW

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ PED Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ PED Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ PED Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA HYDROPLUS w/ WAVE Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ WAVE Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • POLYCAST 600 kit with Gray DG0670G grate

    POLYCAST 600 Series Kit w/ DG0670G Gray Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0670G Gray Plastic Grate - Load Class A

    Regular price From $207.90 USD
    Regular price Sale price From $207.90 USD
    Unit price /  per 
  • M100K-GN100KCC Reinforced Galvanized Steel grate polymer concrete galv edge ULMA channel

    ULMA M100K Rein. Galv. Steel Slotted Grate (1M)

    ULMA M100K Rein. Galv. Steel Slotted Grate (1M)

    Regular price From $285.13 USD
    Regular price Sale price From $285.13 USD
    Unit price /  per 
  • NDS500-BA-BARS-B Bronze Age Brushed Bronze Bars Grate

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Bars Grate - Brushed

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Bars Grate - Brushed

    Regular price From $209.94 USD
    Regular price Sale price From $209.94 USD
    Unit price /  per 
  • NDS500-BA-STAR Bronze Age Natural Bronze Star Grate

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

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

    Regular price From $465.44 USD
    Regular price Sale price From $465.44 USD
    Unit price /  per 
  • NDS-Spee-D-channel-Wave-grate-BooF

    NDS Spee-D® Channel w/ 253CI-BF Wave Cast Iron 4"x24" BoOF Grate

    NDS Spee-D® Channel w/ 253CI-BF Wave Cast Iron 4"x24" BoOF Grate

    Regular price From $260.68 USD
    Regular price Sale price From $260.68 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Minnione Raw Cast Iron

    ULMA HYDROPLUS w/ CLass B Iron Age MA5-20I21 / IA-MIN-0520 Minnione Raw Cast Iron Grate

    ULMA HYDROPLUS w/ CLass B Iron Age MA5-20I21 / IA-MIN-0520 Minnione Raw Cast Iron Grate

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • Hydro Plus with Iron Age Locust Cast Iron Grate IA-LOC-0520 Class B

    ULMA HYDROPLUS w/ IA-LOC-0520 / IA-LOC-0520 Iron Age Locust Cast Iron Raw Grate Class B

    ULMA HYDROPLUS w/ IA-LOC-0520 / IA-LOC-0520 Iron Age Locust Cast Iron Raw Grate Class B

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • ULMA HYDROPLUS - Que Raw Finish Grate

    ULMA HYDROPLUS with Iron Age QUA5-20I21HP / IA-QUE-0520 Que Raw Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age QUA5-20I21HP / IA-QUE-0520 Que Raw Cast Iron Grate Class B

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 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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