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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
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      • ULMA U100K(X)
      • All Drainage Systems
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      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • TP0650S Catch Basin with DG0623 Square Deco Galvanized

    TV0650S (Shallow) Catch Basin Kit w/ DG0623H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0623H for POLYCAST®

    Regular price $486.72 USD
    Regular price Sale price $486.72 USD
    Unit price /  per 
  • TDS 3000 grate locking device

    TDS DA3042B Hold-Down for 3000 Series Ductile Iron and Galvanized Bar Grate

    TDS DA3042B Hold-Down for 3000 Series Ductile Iron and Galvanized Bar Grate

    Regular price $10.80 USD
    Regular price Sale price $10.80 USD
    Unit price /  per 
  • POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    Regular price $89.51 USD
    Regular price Sale price $89.51 USD
    Unit price /  per 
  • NDS-Spee-D-BA-Cathedral SS grate

    NDS Spee-D® Channel w/ BA-CATH-0448-S Stainless Steel 4"x48" Cathedral Grate

    NDS Spee-D® Channel w/ BA-CATH-0448-S Stainless Steel 4"x48" Cathedral Grate

    Regular price From $246.46 USD
    Regular price Sale price From $246.46 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $412.57 USD
    Regular price Sale price From $412.57 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 600 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate

    POLYCAST 600 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate

    Regular price From $236.88 USD
    Regular price Sale price From $236.88 USD
    Unit price /  per 
  • ULMA U100K with 488 Vinyl Ester 0.6 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.6" on Center

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.6" on Center

    Regular price From $687.65 USD
    Regular price Sale price From $687.65 USD
    Unit price /  per 
  • NDS 229 Stainless Steel Screws

    NDS 229 Stainless Screws for Spee-D® Channel Slotted Grates (48 PCS)

    NDS 229 Stainless Screws for Spee-D® Channel Slotted Grates (48 PCS)

    Regular price $39.28 USD
    Regular price Sale price $39.28 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Class A Grates

    ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Class A Grates

    Regular price From $338.22 USD
    Regular price Sale price From $338.22 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/DG0646RH Reinforced Perforated Galvanized Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0646RH Reinforced Perforated Galvanized Grate & Edge

    Regular price $579.76 USD
    Regular price Sale price $579.76 USD
    Unit price /  per 
  • Hydro Plus with 406 Heelproof Galvanized Mesh Grate

    ULMA HYDROPLUS with 406 / GEHX100KCB Galvanized Heel-Proof Mesh Grate Class B

    ULMA HYDROPLUS with 406 / GEHX100KCB Galvanized Heel-Proof Mesh Grate Class B

    Regular price From $1,622.03 USD
    Regular price Sale price From $1,622.03 USD
    Unit price /  per 
  • GF-22024

    GF 22024 Heavy-Duty Gray Iron Slotted 20" x 24" x 2" Grate | General Foundry

    GF 22024 Heavy-Duty Gray Iron Slotted 20" x 24" x 2" Grate | General Foundry

    Regular price $308.00 USD
    Regular price Sale price $308.00 USD
    Unit price /  per 
  • HW FGDI Locking Device for FP1200

    HW FGDI Locking Device for FP1200 Series Ductile Iron & Galvanized Grates

    HW FGDI Locking Device for FP1200 Series Ductile Iron & Galvanized Grates

    Regular price $8.28 USD
    Regular price Sale price $8.28 USD
    Unit price /  per 
  • POLY600-GS-692-TDSdrains cast iron patriot grate galv steel edge polymer concrete channel Polycast

    POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

    POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

    Regular price From $289.28 USD
    Regular price Sale price From $289.28 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Grate - Bottom Outlet

    Regular price From $364.62 USD
    Regular price Sale price From $364.62 USD
    Unit price /  per 
  • ULMA HYDROPLUS 90 Degree

    ULMA HYDROPLUS 90 Degree Corner Kit HYDRO-90

    ULMA HYDROPLUS 90 Degree Corner Kit HYDRO-90

    Regular price $145.24 USD
    Regular price Sale price $145.24 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with ULMA 410 Galvanized Steel Slotted Grate-Class A

    ULMA HYDROPLUS with 410 / GP100KCA Galvanized Perforated Tread Grate Class A

    ULMA HYDROPLUS with 410 / GP100KCA Galvanized Perforated Tread Grate Class A

    Regular price From $131.30 USD
    Regular price Sale price From $131.30 USD
    Unit price /  per 
  • ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    Regular price From $174.64 USD
    Regular price Sale price From $174.64 USD
    Unit price /  per 
  • FFK-DG3041D

    Trench•Era™ FF Series Drain System w/DG3041D 8" Wide Class F Grate - HD Galvanized Frame

    Trench•Era™ FF Series Drain System w/DG3041D 8" Wide Class F Grate - HD Galvanized Frame

    Request quote
  • HYDROPLUS 90 Degree with channels

    ULMA HYDROPLUS Corner Tee Kit | HYDRO-TEE

    ULMA HYDROPLUS Corner Tee Kit | HYDRO-TEE

    Regular price $122.58 USD
    Regular price Sale price $122.58 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA HYDROPLUS with 414 / GP100KCC Reinforced Galvanized Perforated Grate Class C

    ULMA HYDROPLUS with 414 / GP100KCC Reinforced Galvanized Perforated Grate Class C

    Regular price From $227.60 USD
    Regular price Sale price From $227.60 USD
    Unit price /  per 
  • DA0642 locking device Polycast

    TDS-POLYCAST DA0642 Hold-Down Device for 600 Series Galvanized Grates

    TDS-POLYCAST DA0642 Hold-Down Device for 600 Series Galvanized Grates

    Regular price $5.90 USD
    Regular price Sale price $5.90 USD
    Unit price /  per 
  • TP0650S - DG0640R-GE Catch Basin w/ Galvanized Slotted Grate and Edging

    TV0650S (Shallow) Catch Basin Kit w/ DG0640RH & Galvanized Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0640RH & Galvanized Edge for POLYCAST®

    Regular price $669.75 USD
    Regular price Sale price $669.75 USD
    Unit price /  per 
  • NDS-Spee-D-BA-Slotted SS grate

    NDS Spee-D® Channel w/ BA-SLOT-0448-S Stainless Steel 4"x48" Transverse Slotted Grate

    NDS Spee-D® Channel w/ BA-SLOT-0448-S Stainless Steel 4"x48" Transverse Slotted Grate

    Regular price From $246.46 USD
    Regular price Sale price From $246.46 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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