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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 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    Regular price From $217.81 USD
    Regular price Sale price From $217.81 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 
  • POLY600-GS-640R

    POLYCAST®600 Series Kit w/DG0640R Slotted Galvanized Grate and Edging

    POLYCAST®600 Series Kit w/DG0640R Slotted Galvanized Grate and Edging

    Regular price From $392.13 USD
    Regular price Sale price From $392.13 USD
    Unit price /  per 
  • POLYCAST 600 with DG0621 Galv Edging and SLOT grate

    POLYCAST® 600 Series Kit with DG0621 Galvanized Grate w/ Edging | Load Class A

    POLYCAST® 600 Series Kit with DG0621 Galvanized Grate w/ Edging | Load Class A

    Regular price From $266.78 USD
    Regular price Sale price From $266.78 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 
  • POLY500-SS-647-TDSdrains

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate and Edging

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate and Edging

    Regular price From $444.50 USD
    Regular price Sale price From $444.50 USD
    Unit price /  per 
  • POLY500-SS-657-TDSdrains stainless steel perforated grate stainless steel edge shallow profile polymer concrete channel Polycast

    POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate and Edging

    POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate and Edging

    Regular price From $488.76 USD
    Regular price Sale price From $488.76 USD
    Unit price /  per 
  • PCK6-DG0632-SE Stainless Steel Foam Perforated with Edging

    POLYCAST 600 Series Kit w/ Load Class A DG0632 Foam Perforated Stainless Steel Grates & Edging

    POLYCAST 600 Series Kit w/ Load Class A DG0632 Foam Perforated Stainless Steel Grates & Edging

    Regular price From $324.21 USD
    Regular price Sale price From $324.21 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 
  • PCK6-DG0622 POLYCAST 600 with Galvanized Foam Perforated

    POLYCAST 600 Series Kit w/ DG0622 Foam Perforated Galvanized Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0622 Foam Perforated Galvanized Grate | Load Class A

    Regular price From $244.24 USD
    Regular price Sale price From $244.24 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 500 Kit w/ DG0622 Foam Galvanized Perforated Grate & Edging | Class A

    POLYCAST 500 Kit w/ DG0622 Foam Galvanized Perforated Grate & Edging | Class A

    POLYCAST 500 Kit w/ DG0622 Foam Galvanized Perforated Grate & Edging | Class A

    Regular price From $389.27 USD
    Regular price Sale price From $389.27 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    Regular price From $351.55 USD
    Regular price Sale price From $351.55 USD
    Unit price /  per 
  • PCK6-DG0630-SE Cathedral SS

    POLYCAST 600 Series w/ Cathedral Stainless Steel Grate w/ Edging

    POLYCAST 600 Series w/ Cathedral Stainless Steel Grate w/ Edging

    Regular price From $325.36 USD
    Regular price Sale price From $325.36 USD
    Unit price /  per 
  • POLYCAST 600 with Stainless Steel Edge and DG0670

    POLYCAST® 600 Series Kit w/ Stainless Steel Edge & DG0670 Plastic Grate | Load Class A

    POLYCAST® 600 Series Kit w/ Stainless Steel Edge & DG0670 Plastic Grate | Load Class A

    Regular price From $247.87 USD
    Regular price Sale price From $247.87 USD
    Unit price /  per 
  • POLY600-SS-647-DK stainless steel edge stainless steel slotted grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate and Edging

    POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate and Edging

    Regular price From $342.78 USD
    Regular price Sale price From $342.78 USD
    Unit price /  per 
  • ULMA D100-495

    ULMA D100 Drain Channel w/495 Gray Slotted Plastic Grate - Class A

    ULMA D100 Drain Channel w/495 Gray Slotted Plastic Grate - Class A

    Regular price From $309.00 USD
    Regular price Sale price From $309.00 USD
    Unit price /  per 
  • Hydro Mini Plus with 436 SS Wedge Wire Class A_1 Meter

    ULMA HYDROPLUS Mini w/ Stainless Steel ADA/Heelproof Wedge Wire Grate (436) Class B

    ULMA HYDROPLUS Mini w/ Stainless Steel ADA/Heelproof Wedge Wire Grate (436) Class B

    Regular price From $530.45 USD
    Regular price Sale price From $530.45 USD
    Unit price /  per 
  • ULMA D100-494

    ULMA D100 Drain Channel w/494 Slotted Plastic Grate - Class A

    ULMA D100 Drain Channel w/494 Slotted Plastic Grate - Class A

    Regular price From $301.12 USD
    Regular price Sale price From $301.12 USD
    Unit price /  per 
  • PCK5-DG0623 Square Deco

    POLYCAST 500 Kit w/ DG0623 Galvanized Square Deco Perforated Grate | Class A

    POLYCAST 500 Kit w/ DG0623 Galvanized Square Deco Perforated Grate | Class A

    Regular price From $344.33 USD
    Regular price Sale price From $344.33 USD
    Unit price /  per 
  • NDS-Spee-D-BA-Cathedral Galv SS grate

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

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

    Regular price From $152.96 USD
    Regular price Sale price From $152.96 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

    ULMA D100 Drain Channel w/497 Black Mesh Plastic Grate - Class B

    ULMA D100 Drain Channel w/497 Black Mesh Plastic Grate - Class B

    Regular price From $324.68 USD
    Regular price Sale price From $324.68 USD
    Unit price /  per 
  • ULMA D100_0.6 Vinyl Ester FRP 488 Grate

    ULMA D100 Drain Channel w/488 Slotted Fiberglass Grate - Class C

    ULMA D100 Drain Channel w/488 Slotted Fiberglass Grate - Class C

    Regular price From $615.33 USD
    Regular price Sale price From $615.33 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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