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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
    • Grate Material
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      • Bronze
      • Ductile/Cast Iron
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  • IA-INTER-0520-HP Iron Age Interlaken Raw

    Iron Age IA-INTER-0520-HP 5" HP Interlaken Cast Iron Grates Class B - Raw

    Iron Age IA-INTER-0520-HP 5" HP Interlaken Cast Iron Grates Class B - Raw

    Regular price $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • DP0650-XX-675HD Polycast 600 with Ductile Iron Transverse Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD Transverse Slotted Ductile Iron Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD Transverse Slotted Ductile Iron Grate

    Regular price $399.88 USD
    Regular price Sale price $399.88 USD
    Unit price /  per 
  • NDS250-Spee-D-basin

    NDS 250 6" Spee-D Basin 2 Outlet 90deg (solid pipe) by NDS®

    NDS 250 6" Spee-D Basin 2 Outlet 90deg (solid pipe) by NDS®

    Regular price $31.46 USD
    Regular price Sale price $31.46 USD
    Unit price /  per 
  • 6" End Outlet - Polymer Concrete DP0620D6 | TDS for POLYCAST®

    6" End Outlet - Polymer Concrete DP0620D6 | TDS for POLYCAST®

    6" End Outlet - Polymer Concrete DP0620D6 | TDS for POLYCAST®

    Regular price $206.77 USD
    Regular price Sale price $206.77 USD
    Unit price /  per 
  • TP0650S - DG0623-GE Catch Basin w/ Square Deco with Galvanized Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0623H & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0623H & Galvanized Edge for POLYCAST®

    Regular price $486.85 USD
    Regular price Sale price $486.85 USD
    Unit price /  per 
  • TP0650S-DG0647R-SE Catch Basin w/ Reinforced Stainless Steel Slotted Grate with SS Edging

    TP0650S (Shallow) Catch Basin Kit w/DG0647RH & Stainless Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/DG0647RH & Stainless Edge for POLYCAST®

    Regular price $688.38 USD
    Regular price Sale price $688.38 USD
    Unit price /  per 
  • polycast-DG700PE-frame HPDE frame

    DG0700PE POLYCAST Duraguard® 700 Series HPDE Frame

    DG0700PE POLYCAST Duraguard® 700 Series HPDE Frame

    Regular price $38.69 USD
    Regular price Sale price $38.69 USD
    Unit price /  per 
  • POLYCAST-DG0670G-Duraguard-grate

    POLYCAST DG0670G Class A Slotted DuraGuard HDPE 6"x24"(Nominal) Grate - Gray

    POLYCAST DG0670G Class A Slotted DuraGuard HDPE 6"x24"(Nominal) Grate - Gray

    Regular price $45.01 USD
    Regular price Sale price $45.01 USD
    Unit price /  per 
  • PCK6-DG0640-GE POLYCAST with Galvanized Steel Slotted Grate and Edging

    POLYCAST 600 Series Kit w/ DG0640 Slotted Galvanized Grate and Edging | Load Class B

    POLYCAST 600 Series Kit w/ DG0640 Slotted Galvanized Grate and Edging | Load Class B

    Regular price From $237.34 USD
    Regular price Sale price From $237.34 USD
    Unit price /  per 
  • DA0542BHS Side

    TDS-POLYCAST DA0542BHS Hold-Down Device for 500 Series Stainless Steel Bar Grates

    TDS-POLYCAST DA0542BHS Hold-Down Device for 500 Series Stainless Steel Bar Grates

    Regular price $18.30 USD
    Regular price Sale price $18.30 USD
    Unit price /  per 
  • DP0650-SS-644SP

    POLYCAST® DP0650 Inline Catch Basin w/FG0644SPH Slotted Fiberglass Grate & SS Edge

    POLYCAST® DP0650 Inline Catch Basin w/FG0644SPH Slotted Fiberglass Grate & SS Edge

    Regular price $594.38 USD
    Regular price Sale price $594.38 USD
    Unit price /  per 
  • Catch Basin PCK6-CB06S-DG0632-SE FOAM with SS Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0632H & Stainless Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0632H & Stainless Edge for POLYCAST®

    Regular price $438.03 USD
    Regular price Sale price $438.03 USD
    Unit price /  per 
  • DG0670 black HDPE Slotted POLYCAST grate

    POLYCAST DG0670 Class A Slotted DuraGuard HDPE 6"x24" (Nominal Dimensions) Grate - Black

    POLYCAST DG0670 Class A Slotted DuraGuard HDPE 6"x24" (Nominal Dimensions) Grate - Black

    Regular price $42.69 USD
    Regular price Sale price $42.69 USD
    Unit price /  per 
  • POLY500-PE-692-TDSdrains HPDE frame cast iron patriot grate shallow POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit with DG0692 Patriot Ductile Iron Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0692 Patriot Ductile Iron Grate and HDPE Frame

    Regular price From $501.15 USD
    Regular price Sale price From $501.15 USD
    Unit price /  per 
  • POLYCAST500 with SS Edging and SS Slot Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0631 Transverse Slotted Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0631 Transverse Slotted Grate | Class A

    Regular price From $484.09 USD
    Regular price Sale price From $484.09 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 
  • 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 Catch Basin with DG0653 Ductile Iron Grate

    POLYCAST® DP0653SB 24" Catch Basin w/DG0653D Slotted Ductile Iron Grate

    POLYCAST® DP0653SB 24" Catch Basin w/DG0653D Slotted Ductile Iron Grate

    Regular price $1,896.98 USD
    Regular price Sale price $1,896.98 USD
    Unit price /  per 
  • DP0650-SS-699H Polycast 600 with Stainless Steel Edge and Bar Grate

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

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

    Regular price $978.35 USD
    Regular price Sale price $978.35 USD
    Unit price /  per 
  • DG0646R Galvanized Grates

    POLYCAST DG0646RH Class C ADA Compliant Perforated Reinforced Galvanized 6" x 24" Grate

    POLYCAST DG0646RH Class C ADA Compliant Perforated Reinforced Galvanized 6" x 24" Grate

    Regular price $174.73 USD
    Regular price Sale price $174.73 USD
    Unit price /  per 
  • DA0642FH Locking device for fiberglass grate on POLYCAST 700

    TDS-DA0642FH POLYCAST® Locking Device

    TDS-DA0642FH POLYCAST® Locking Device

    Regular price $31.00 USD
    Regular price Sale price $31.00 USD
    Unit price /  per 
  • POLY600-DG0620-GE Cathedral Galv

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    Regular price From $280.85 USD
    Regular price Sale price From $280.85 USD
    Unit price /  per 
  • PCK6-CB06S-DG0675-SE TDS for Polycast Catch Basin with Stainless Steel Edge and DG0675 Grates

    TP0650S (Shallow) Catch Basin Kit w/ DG0675 & Stainless Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0675 & Stainless Edge for POLYCAST®

    Regular price $380.67 USD
    Regular price Sale price $380.67 USD
    Unit price /  per 
  • PCK5-DG0621 Slot

    POLYCAST 500 Kit w/ DG0621 Galvanized Slotted Grate | Class A

    POLYCAST 500 Kit w/ DG0621 Galvanized Slotted Grate | Class A

    Regular price From $301.88 USD
    Regular price Sale price From $301.88 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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