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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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      • Zurn
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    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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      • Ductile/Cast Iron
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  • 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 
  • DP0650-XX-646

    POLYCAST® DP0650 Inline Catch Basin w/DG0646H Perforated Galvanized Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0646H Perforated Galvanized Grate

    Regular price $385.22 USD
    Regular price Sale price $385.22 USD
    Unit price /  per 
  • Polycast500-DP0500C-end-cap-TDS

    TDS-POLYCAST DP0500C End Cap

    TDS-POLYCAST DP0500C End Cap

    Regular price $24.17 USD
    Regular price Sale price $24.17 USD
    Unit price /  per 
  • POLYCAST polymer concrete channel with Stainless Steel Wire Wedge Grate

    POLYCAST 600 Series Kit with DG0655 Wedge Wire Stainless Steel Grate - Load Class B

    POLYCAST 600 Series Kit with DG0655 Wedge Wire Stainless Steel Grate - Load Class B

    Regular price From $277.42 USD
    Regular price Sale price From $277.42 USD
    Unit price /  per 
  • POLY600-GS-675HD-TDSdrains galv steel edge transverse slotted grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/DG0675HD Slotted Ductile Iron Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit w/DG0675HD Slotted Ductile Iron Grate & Stainless Edge

    Regular price From $367.43 USD
    Regular price Sale price From $367.43 USD
    Unit price /  per 
  • DP0650-XX-692 Polycast 600 inline catch basin with ductile iron patriot grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0692 Patriot Ductile Iron Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0692 Patriot Ductile Iron Grate

    Regular price $429.11 USD
    Regular price Sale price $429.11 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    Regular price From $1,526.67 USD
    Regular price Sale price From $1,526.67 USD
    Unit price /  per 
  • DP0650-XX-655H Polycast 600 Inline Catch Basin with stainless steel wedge wire grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0655H Wedge Wire Slotted Stainless Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0655H Wedge Wire Slotted Stainless Grate

    Regular price $606.69 USD
    Regular price Sale price $606.69 USD
    Unit price /  per 
  • POLYCAST®DP0750 Inline Catch Basin w/DG0641D Cast Iron Slotted Grate and HDPE Frame

    POLYCAST®DP0750 Inline Catch Basin w/DG0641D Cast Iron Slotted Grate and HDPE Frame

    POLYCAST®DP0750 Inline Catch Basin w/DG0641D Cast Iron Slotted Grate and HDPE Frame

    Regular price $446.73 USD
    Regular price Sale price $446.73 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0750 Inline Catch Basin w/DG0655RH Wedge Wire Stainless Grate & DI Frame

    POLYCAST® DP0750 Inline Catch Basin w/DG0655RH Wedge Wire Stainless Grate & DI Frame

    Regular price $760.11 USD
    Regular price Sale price $760.11 USD
    Unit price /  per 
  • DP0650-SS-655H Polycast 600 Inline catch basin with Stainless steel edge and wedge wire grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0655RH Reinforced Wedge Wire Stainless Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0655RH Reinforced Wedge Wire Stainless Grate & Edge

    Regular price $756.78 USD
    Regular price Sale price $756.78 USD
    Unit price /  per 
  • DP0650-XX-655H Polycast 600 Inline Catch Basin with stainless steel wedge wire grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0655RH Reinforced Wedge Wire Slotted Stainless Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0655RH Reinforced Wedge Wire Slotted Stainless Grate

    Regular price $684.53 USD
    Regular price Sale price $684.53 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0655R Reinforced SS Wedge Wire and SS Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0655RH & Stainless Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0655RH & Stainless Edge for POLYCAST®

    Regular price $670.75 USD
    Regular price Sale price $670.75 USD
    Unit price /  per 
  • TP0650S - DG0675HD-GE Catch Basin w/ Cast Iron Transverse Slotted Grate and Galvanized Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0675HD & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0675HD & Galvanized Edge for POLYCAST®

    Regular price $386.10 USD
    Regular price Sale price $386.10 USD
    Unit price /  per 
  • POLYCAST600-xx-DG0657R-TDSdrains

    POLYCAST® 600 Series Kit w/DG0657R Reinforced Perforated Stainless Grate

    POLYCAST® 600 Series Kit w/DG0657R Reinforced Perforated Stainless Grate

    Regular price From $493.73 USD
    Regular price Sale price From $493.73 USD
    Unit price /  per 
  • Polycast600 DP0650 Catch Basin with Galvanized Steel Cathedral Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0620H Galvanized Cathedral Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0620H Galvanized Cathedral Grate

    Regular price $432.66 USD
    Regular price Sale price $432.66 USD
    Unit price /  per 
  • DP0650-XX-640

    POLYCAST® DP0650 Inline Catch Basin w/DG0640H Galvanized Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0640H Galvanized Slotted Grate

    Regular price $389.15 USD
    Regular price Sale price $389.15 USD
    Unit price /  per 
  • POLYCAST 600 Galvanized Edge Inline Catch Basin with Galvanized Steel Foam Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0622H Galvanized Foam Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0622H Galvanized Foam Grate & Edge

    Regular price $486.38 USD
    Regular price Sale price $486.38 USD
    Unit price /  per 
  • DP0650-GE-646H Polycast 600 Inline Catch Basin with Galvanized Edge and 646 perforated grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0646H Perforated Galvanized Grate & Galv. Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0646H Perforated Galvanized Grate & Galv. Edge

    Regular price $450.72 USD
    Regular price Sale price $450.72 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0650 Inline Catch Basin w/DG0641D-G Slotted Ductile Iron Grate with Galvanized coating & Galv. Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0641D-G Slotted Ductile Iron Grate with Galvanized coating & Galv. Edge

    Regular price $448.68 USD
    Regular price Sale price $448.68 USD
    Unit price /  per 
  • POLY600-xx-647-DK stainless steel slotted grate polymer concrete channel

    POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $300.49 USD
    Regular price Sale price From $300.49 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    Regular price From $351.55 USD
    Regular price Sale price From $351.55 USD
    Unit price /  per 
  • Reinforced Slotted Stainless Steel Grate

    POLYCAST DG0647RH Reinforced Slotted Stainless Steel 6"x24" Grate (Nominal) | Load Class C

    POLYCAST DG0647RH Reinforced Slotted Stainless Steel 6"x24" Grate (Nominal) | Load Class C

    Regular price $362.63 USD
    Regular price Sale price $362.63 USD
    Unit price /  per 
  • DP0650-SS-647

    POLYCAST® DP0650 Inline Catch Basin w/DG0647H Slotted Stainless Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0647H Slotted Stainless Grate & Edge

    Regular price $549.38 USD
    Regular price Sale price $549.38 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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