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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
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      • 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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      • Ductile/Cast Iron
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  • POLYCAST 600 DP0650 with dg0621H slotted galvanized steel grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0621H Transverse Slot Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0621H Transverse Slot Grate

    Regular price $418.58 USD
    Regular price Sale price $418.58 USD
    Unit price /  per 
  • DP0750 Polycast inline catch basin with Ductile Iron Frame and Reinforced Galvanized Steel

    POLYCAST® DP0750 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slot Grate & DI Frame

    POLYCAST® DP0750 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slot Grate & DI Frame

    Regular price $638.71 USD
    Regular price Sale price $638.71 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0655 SS Wedge Wire and SS Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0655H & Stainless Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0655H & Stainless Edge for POLYCAST®

    Regular price $742.61 USD
    Regular price Sale price $742.61 USD
    Unit price /  per 
  • DG0647R Reinforced Stainless Steel POLYCAST Slotted Grate

    POLYCAST DG0647R Reinforced Slotted Stainless Steel 6"x48" Grate (Nominal) | Load Class C

    POLYCAST DG0647R Reinforced Slotted Stainless Steel 6"x48" Grate (Nominal) | Load Class C

    Regular price $525.97 USD
    Regular price Sale price $525.97 USD
    Unit price /  per 
  • POLYCAST 600 DG0650 Catch Basin with steel Edge and Grates in Cathedral

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

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

    Regular price $498.16 USD
    Regular price Sale price $498.16 USD
    Unit price /  per 
  • PCK6-CB06S-DG0675 TDS for Polycast Shallow Catch Basin with DG0675 Grate

    TV0650S (Shallow) Catch Basin Kit w/ DG0675 for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0675 for POLYCAST®

    Regular price $450.18 USD
    Regular price Sale price $450.18 USD
    Unit price /  per 
  • POLY600-XX-647R

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate

    Regular price From $525.53 USD
    Regular price Sale price From $525.53 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 
  • DP0650-SS-657H Polycast 600 Inline catch basin with Stainless steel edge and perforated grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0657RH Reinforced Perforated Stainless Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0657RH Reinforced Perforated Stainless Grate & Edge

    Regular price $742.62 USD
    Regular price Sale price $742.62 USD
    Unit price /  per 
  • PCK6-CB06-DG0669 TDS for Polycast 650 Catch Basin with 646 Stainless Bar Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0669 Stainless Bar Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0669 Stainless Bar Grate

    Regular price $906.10 USD
    Regular price Sale price $906.10 USD
    Unit price /  per 
  • Polycast600 DP0650 Catch Basin with Stainless Steel Edge & Cathedral Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0630H Stainless Cathedral Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0630H Stainless Cathedral Grate & Edge

    Regular price $525.21 USD
    Regular price Sale price $525.21 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0655 Stainless Steel Wedge Wire Grate

    TP0650S (Shallow) Catch Basin Kit w/ DG0655H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0655H for POLYCAST®

    Regular price $533.93 USD
    Regular price Sale price $533.93 USD
    Unit price /  per 
  • DA0670F-TDS Polycast outlet

    DA0670F POLYCAST Female Universal Closed /Outlet

    DA0670F POLYCAST Female Universal Closed /Outlet

    Regular price $28.38 USD
    Regular price Sale price $28.38 USD
    Unit price /  per 
  • DP0650-XX-647H Polycast 600 Inline Catch Basin with 647 Stainless Steel Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0647RH Reinforced Slotted Stainless Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0647RH Reinforced Slotted Stainless Grate

    Regular price $702.17 USD
    Regular price Sale price $702.17 USD
    Unit price /  per 
  • POLY500-XX-644SP POLYCAST 500 Kit with DG0644SP Fibgerlass Bar Grate

    POLYCAST 500 Series Kit with FG0644SP Vinyl-Ester Bar 3/8" Spacing Grate

    POLYCAST 500 Series Kit with FG0644SP Vinyl-Ester Bar 3/8" Spacing Grate

    Regular price From $550.60 USD
    Regular price Sale price From $550.60 USD
    Unit price /  per 
  • POLYCAST 700 PE FRAME 640R

    POLYCAST®700 Kit w/DG0640R Reinforced Galvanized Slotted Grate & HDPE Frame

    POLYCAST®700 Kit w/DG0640R Reinforced Galvanized Slotted Grate & HDPE Frame

    Regular price From $425.18 USD
    Regular price Sale price From $425.18 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 Inline Catch Basin with Galvanized Steel Square Deco Grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0623H Galvanized Square Deco Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0623H Galvanized Square Deco Grate

    Regular price $426.41 USD
    Regular price Sale price $426.41 USD
    Unit price /  per 
  • DP0650-SS-633H Polycast 600 inline catch basin with stainless steel edge and stainless steel square deco grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0633H Stainless Square Deco Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0633H Stainless Square Deco Grate & Edge

    Regular price $527.03 USD
    Regular price Sale price $527.03 USD
    Unit price /  per 
  • POLYCAST® DP0650 Inline Catch Basin w/DG0641D Slotted Ductile Iron Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0641D Slotted Ductile Iron Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0641D Slotted Ductile Iron Grate

    Regular price $388.85 USD
    Regular price Sale price $388.85 USD
    Unit price /  per 
  • PCK5-DG0620 Cathedral

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

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

    Regular price From $319.98 USD
    Regular price Sale price From $319.98 USD
    Unit price /  per 
  • POLY700-AA-641D-TDSdrains cast iron frame ductile iron slotted grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit w/ DG0641D Slotted Ductile Iron Grate & Frame

    POLYCAST 700 Series Kit w/ DG0641D Slotted Ductile Iron Grate & Frame

    Regular price From $301.86 USD
    Regular price Sale price From $301.86 USD
    Unit price /  per 
  • PCK5-DG0632 POLYCAST 500 Series Kit with TDS DG0632 Perforated Stainless Steel Grates

    POLYCAST 500 Kit w/ DG0632 Stainless Steel Foam Perforated Grate | Class A

    POLYCAST 500 Kit w/ DG0632 Stainless Steel Foam Perforated Grate | Class A

    Regular price From $411.06 USD
    Regular price Sale price From $411.06 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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