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Drainage Kits
  • Shop All
  • 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
      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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      • 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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
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  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • Spee-D BA Foam Galvanized Grate

    Bronze Age™ TDS-FOAM-0424 Galvanized Steel 4.09" x 24" Grate

    Bronze Age™ TDS-FOAM-0424 Galvanized Steel 4.09" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $642.22 USD
    Regular price Sale price From $642.22 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Vandal Proof Locks

    Regular price From $609.42 USD
    Regular price Sale price From $609.42 USD
    Unit price /  per 
  • TP0650S-DG0646-GE Catch basin w/ Perforated Galvanized Grate and Galvanized Edging

    TV0650S (Shallow) Catch Basin Kit w/ DG0646H & Galvanized Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0646H & Galvanized Edge for POLYCAST®

    Regular price $511.03 USD
    Regular price Sale price $511.03 USD
    Unit price /  per 
  • TP0650S-DG0646R-PF w/ Galvanized Perforated reinforced Grate and HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-HDPE Frame

    Regular price $617.36 USD
    Regular price Sale price $617.36 USD
    Unit price /  per 
  • DG0640 POLYCAST Galvanized Slotted Grate

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    Regular price $64.11 USD
    Regular price Sale price $64.11 USD
    Unit price /  per 
  • TP0650S-XX-646R Polycast 650S Shallow catch basin with DG0646 Reinforced perforated galvanized grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0646RH for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0646RH for POLYCAST®

    Regular price $574.57 USD
    Regular price Sale price $574.57 USD
    Unit price /  per 
  • TP0650S-GS-622 Catch Basin w/ DG0622 galvanized Foam perforated grate and edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0622H & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0622H & Galvanized Edge for POLYCAST®

    Regular price $400.35 USD
    Regular price Sale price $400.35 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 
  • POLYCST 600 with DG0623 Galv Edge and Galv SQUARE DECO grate

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Class A Grate and Edging

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Class A Grate and Edging

    Regular price From $274.60 USD
    Regular price Sale price From $274.60 USD
    Unit price /  per 
  • NDS 254 Galvanized Steel Slotted Grates

    NDS 254 Galvanized Slotted 4" x 24" Class B Grate

    NDS 254 Galvanized Slotted 4" x 24" Class B Grate

    Regular price $56.66 USD
    Regular price Sale price $56.66 USD
    Unit price /  per 
  • TP0650S-GS-646R Polycast 650S with Galvanized edge and reinforced DG0646 Galvanized Grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0646RH & Galvanized Edge for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0646RH & Galvanized Edge for POLYCAST®

    Regular price $640.07 USD
    Regular price Sale price $640.07 USD
    Unit price /  per 
  • POLYCST 600 with DG0623 Galv SQUARE DECO grate

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Grate | Load Class A

    Regular price From $249.77 USD
    Regular price Sale price From $249.77 USD
    Unit price /  per 
  • TP0650S-DG0646 Catch Basin w/ Galvanized Perforated Grate

    TV0650S (Shallow) Catch Basin Kit w/ DG0646H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0646H for POLYCAST®

    Regular price $445.53 USD
    Regular price Sale price $445.53 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

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

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

    Regular price From $369.65 USD
    Regular price Sale price From $369.65 USD
    Unit price /  per 
  • POLYCAST 600 with Galvanized DG0620 Cathedral Grate

    POLYCAST® 600 Series Kit w/ DG0620 Cathedral Galvanized Steel Grate | Load Class A

    POLYCAST® 600 Series Kit w/ DG0620 Cathedral Galvanized Steel Grate | Load Class A

    Regular price From $256.02 USD
    Regular price Sale price From $256.02 USD
    Unit price /  per 
  • NDS-Spee-D-BA-Slotted Galv SS grate

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

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

    Regular price From $152.96 USD
    Regular price Sale price From $152.96 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with ULMA 424 Galvanized Reinforced Steel Slotted-Grate Class C

    ULMA HYDROPLUS with 424 / GN100KCC Reinforced Galvanized Slotted Grate Class C

    Sale

    ULMA HYDROPLUS with 424 / GN100KCC Reinforced Galvanized Slotted Grate Class C

    Regular price From $148.29 USD
    Regular price $188.04 USD Sale price From $148.29 USD
    Unit price /  per 
    Sale
  • TP0650S-AA-646R

    TP0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-Ductile Iron Frame

    Regular price $507.90 USD
    Regular price Sale price $507.90 USD
    Unit price /  per 
  • Zurn P6-RFSC

    Zurn P6-FG-20 Class A ADA Compliant Slotted Heel-Proof Galvanized Steel 6" x 20" Grate

    Zurn P6-FG-20 Class A ADA Compliant Slotted Heel-Proof Galvanized Steel 6" x 20" Grate

    Regular price $85.60 USD
    Regular price Sale price $85.60 USD
    Unit price /  per 
  • Zurn P6-RFSC

    Zurn P6-FG Class A Slotted Heel-Proof Galvanized Steel 6" x 40" Grate

    Zurn P6-FG Class A Slotted Heel-Proof Galvanized Steel 6" x 40" Grate

    Regular price $161.60 USD
    Regular price Sale price $161.60 USD
    Unit price /  per 
  • NDS 824 Galvanized Slotted Grate-ProSeries

    NDS 824 Class B ADA Compliant Slotted Galvanized Slotted 5" x 20" Grate

    NDS 824 Class B ADA Compliant Slotted Galvanized Slotted 5" x 20" Grate

    Regular price $54.13 USD
    Regular price Sale price $54.13 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 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    $80.36 $62.50
  • ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    $37.45 $26.22
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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