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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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      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • POLYCAST-DG0675G-Duraguard-Transverse

    POLYCAST DG0675G Class A Transverse Slotted HDPE 6"x24" (Nominal) Grate - Gray

    POLYCAST DG0675G Class A Transverse Slotted HDPE 6"x24" (Nominal) Grate - Gray

    Regular price $54.92 USD
    Regular price Sale price $54.92 USD
    Unit price /  per 
  • DG0646 Galvanized Steel perforated grates for POLYCAST

    POLYCAST DG0646 Class A ADA Compliant Perforated Galvanized Steel 6" x 48" Grate

    POLYCAST DG0646 Class A ADA Compliant Perforated Galvanized Steel 6" x 48" Grate

    Regular price $71.39 USD
    Regular price Sale price $71.39 USD
    Unit price /  per 
  • POLY600-GS-646

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate & Edge

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate & Edge

    Regular price From $233.41 USD
    Regular price Sale price From $233.41 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 
  • POLY500-xx-0657 stainless steel perforated grate shallow profile POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate

    POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate

    Regular price From $404.18 USD
    Regular price Sale price From $404.18 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Galvanized Slot Grate-Ductile Iron Frame

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Galvanized Slot Grate-Ductile Iron Frame

    Regular price From $853.30 USD
    Regular price Sale price From $853.30 USD
    Unit price /  per 
  • POLY600-xx-669-TDSdrain stainless steel bar grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0669 Stainless Bar Grate

    POLYCAST 600 Series Kit with DG0669 Stainless Bar Grate

    Regular price From $729.45 USD
    Regular price Sale price From $729.45 USD
    Unit price /  per 
  • TP0650S-DG0647R Catch Basin w/ Stainless Steel Slotted Grate

    TP0650S (Shallow) Polymer Concrete Catch Basin Kit w/DG0647RH for POLYCAST®

    TP0650S (Shallow) Polymer Concrete Catch Basin Kit w/DG0647RH for POLYCAST®

    Regular price $616.13 USD
    Regular price Sale price $616.13 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0630 SS Cathedral and SS Edging

    TV0650S (Shallow) Catch Basin Kit w/ DG0630H & Stainless Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0630H & Stainless Edge for POLYCAST®

    Regular price $585.52 USD
    Regular price Sale price $585.52 USD
    Unit price /  per 
  • PCK6-CB06S-DG0675 TDS for Polycast Shallow Catch Basin with DG0675 Grate

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

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

    Regular price $303.83 USD
    Regular price Sale price $303.83 USD
    Unit price /  per 
  • DG0675-polycast-duraguard-longit-slotted-grate-TDSdrains

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    Regular price $50.33 USD
    Regular price Sale price $50.33 USD
    Unit price /  per 
  • PCK6-DG0632 POLYCAST 600 with DG0632 Foam Perforated Stainless Steel Grate

    POLYCAST 600 Series Kit w/ DG0632 Foam Perforated Class A Stainless Steel Grate

    POLYCAST 600 Series Kit w/ DG0632 Foam Perforated Class A Stainless Steel Grate

    Regular price From $281.92 USD
    Regular price Sale price From $281.92 USD
    Unit price /  per 
  • DG0657R Stainless Steel Perforated Grate

    POLYCAST DG0657RH ADA Perforated Reinforced Stainless Grate 6"x24" (Nominal) Class C

    POLYCAST DG0657RH ADA Perforated Reinforced Stainless Grate 6"x24" (Nominal) Class C

    Regular price $330.83 USD
    Regular price Sale price $330.83 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 
  • 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 
  • Polycast-DA0662-debris-strainer

    DA0662 POLYCAST Debris Strainer

    DA0662 POLYCAST Debris Strainer

    Regular price $22.50 USD
    Regular price Sale price $22.50 USD
    Unit price /  per 
  • POLYCAST 600 with DG0644SP Fiberglass FRP Bar Grate

    POLYCAST 600 Series Kit w/Fiberglass FG0644SP Grate - Load Class C

    POLYCAST 600 Series Kit w/Fiberglass FG0644SP Grate - Load Class C

    Regular price From $319.24 USD
    Regular price Sale price From $319.24 USD
    Unit price /  per 
  • DG0646 Galvanized Steel perforated grates for POLYCAST

    POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    Regular price $45.68 USD
    Regular price Sale price $45.68 USD
    Unit price /  per 
  • POLYCAST 600 with DG0631 SS Edge and SLOT grate

    POLYCAST 600 Series Kit w/ DG0631 Slotted Stainless Steel Grate & Edging | Load Class A

    POLYCAST 600 Series Kit w/ DG0631 Slotted Stainless Steel Grate & Edging | Load Class A

    Regular price From $317.18 USD
    Regular price Sale price From $317.18 USD
    Unit price /  per 
  • DG0644-Polycast-fiberglass-bar-grate-TDSdrains

    POLYCAST FG0644H Class B Spacing 5/8" Fiberglass BAR 6" x 24" Grate

    POLYCAST FG0644H Class B Spacing 5/8" Fiberglass BAR 6" x 24" Grate

    Regular price $131.25 USD
    Regular price Sale price $131.25 USD
    Unit price /  per 
  • TP0650S-AA-646R

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

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

    Regular price $669.35 USD
    Regular price Sale price $669.35 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 
  • 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 
  • DG0645 Galvanized Steel Solid Cover for POLYCAST

    POLYCAST DG0645 ADA Compliant Galvanized Steel Solid 6" x 48" Cover Class A

    POLYCAST DG0645 ADA Compliant Galvanized Steel Solid 6" x 48" Cover Class A

    Regular price $66.37 USD
    Regular price Sale price $66.37 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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