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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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      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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      • FP1200
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      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • 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 
  • 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 
  • ULMA M100K_Galvanized Heel Proof 406

    M100K w/ Galv. Steel Heel-proof Mesh Grate (406)-ULMA

    M100K w/ Galv. Steel Heel-proof Mesh Grate (406)-ULMA

    Regular price From $358.36 USD
    Regular price Sale price From $358.36 USD
    Unit price /  per 
  • ULMA U100K with Galvanized Edge and Polypropylene Mesh Grate

    ULMA U100K Kit w/ ULMA 497 / PE100KCBM Polypropylene Mesh Grate

    ULMA U100K Kit w/ ULMA 497 / PE100KCBM Polypropylene Mesh Grate

    Regular price From $397.00 USD
    Regular price Sale price From $397.00 USD
    Unit price /  per 
  • POLY500-GS-641D Polycast 500 with Galvanized Steel Edge and Polycast DG0641D Slotted Ductile Iron Grates

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

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

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 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 
  • MMG-BF-CATH-BF

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

    TDS® 3" Gray 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-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 
  • 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 
  • 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™ 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 
  • 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 
  • NDS-Dura-XX-662-TDSdrains

    NDS® Dura Slope Kit with DS-662 HDPE Slotted Grate | Green

    NDS® Dura Slope Kit with DS-662 HDPE Slotted Grate | Green

    Regular price From $426.40 USD
    Regular price Sale price From $426.40 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 
  • ULMA HYDROPLUS with Iron Age Oblio Heel Proof Cast Iron BoOF Grate

    ULMA HYDROPLUS with Iron Age IA-OBLIO-0520-HP Oblio Heel Proof BoOF Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age IA-OBLIO-0520-HP Oblio Heel Proof BoOF Cast Iron Grate Class B

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Oblio BoOF Cast Iron

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

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

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 USD
    Unit price /  per 
  • ULMA HYDROPLUS with Iron Age Que BoOF Finish Cast Iron Grate

    ULMA HYDROPLUS with Iron Age IA-QUE-0520-HP BoOF Que Heel Proof Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age IA-QUE-0520-HP BoOF Que Heel Proof Cast Iron Grate Class B

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Minnione BoOF Cast Iron

    ULMA HYDROPLUS with Iron Age IA-MIN-0520 Minnione BoOF Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age IA-MIN-0520 Minnione BoOF Cast Iron Grate Class B

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 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 
  • 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 
  • M100KX w/Ductile Iron Slotted Grate Class C (460)-ULMA

    M100KX w/Ductile Iron Slotted Grate Class C (460)-ULMA

    M100KX w/Ductile Iron Slotted Grate Class C (460)-ULMA

    Regular price From $387.59 USD
    Regular price Sale price From $387.59 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 
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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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