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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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      • Fiberglass
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      • All Channel Materials
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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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  • Polycast-DG0442-galv-steel-grate-4ft-TDSdrains

    POLYCAST DG0442 Class A Slotted Galvanized 5" x 48" Grate

    POLYCAST DG0442 Class A Slotted Galvanized 5" x 48" Grate

    Regular price $89.26 USD
    Regular price Sale price $89.26 USD
    Unit price /  per 
  • PCK5-DG0632 POLYCAST 500 Series Kit with TDS DG0632 Perforated Stainless Steel Grates

    POLYCAST 500 Kit w/ DG0632 Stainless Steel Foam Perforated Grate | Class A

    POLYCAST 500 Kit w/ DG0632 Stainless Steel Foam Perforated Grate | Class A

    Regular price From $411.06 USD
    Regular price Sale price From $411.06 USD
    Unit price /  per 
  • POLY600-SS-675 Polycast 600 Kit with DG0675 Transverse slot HDPE Plastic Grates with a Stainless Steel Edge

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate & Stainless Edge

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate & Stainless Edge

    Regular price From $255.52 USD
    Regular price Sale price From $255.52 USD
    Unit price /  per 
  • POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    Regular price From $341.73 USD
    Regular price Sale price From $341.73 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0623 Square Deco Galvanized

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

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

    Regular price $340.38 USD
    Regular price Sale price $340.38 USD
    Unit price /  per 
  • TP0650S-AA-644SP

    TP0750S (Shallow) Catch Basin Kit w/ FG0644SPH for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ FG0644SPH for POLYCAST®-HDPE Frame

    Regular price $474.79 USD
    Regular price Sale price $474.79 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 
  • DA0633 POLYCAST Installation Chair

    TDS-POLYCAST DA0633 Installation Chair

    TDS-POLYCAST DA0633 Installation Chair

    Regular price $19.88 USD
    Regular price Sale price $19.88 USD
    Unit price /  per 
  • POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    Regular price From $546.58 USD
    Regular price Sale price From $546.58 USD
    Unit price /  per 
  • POLYCAST 500 Series Kit w/ FG0644 Vinyl-Ester Bar 5/8" Spacing Grate- Stainless Edging

    POLYCAST 500 Series Kit w/ FG0644 Vinyl-Ester Bar 5/8" Spacing Grate- Stainless Edging

    POLYCAST 500 Series Kit w/ FG0644 Vinyl-Ester Bar 5/8" Spacing Grate- Stainless Edging

    Regular price From $588.81 USD
    Regular price Sale price From $588.81 USD
    Unit price /  per 
  • POLYCAST 600 with DG0646

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

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

    Regular price From $208.57 USD
    Regular price Sale price From $208.57 USD
    Unit price /  per 
  • New Image Coming Soon

    TP0650S (Shallow) Catch Basin Kit w/ DG0641D-G for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0641D-G for POLYCAST®

    Regular price $327.49 USD
    Regular price Sale price $327.49 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 
  • TP0650S-AA-640R

    TP0750S (Shallow) Catch Basin Kit w/ DG0640RH for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0640RH for POLYCAST®-Ductile Iron Frame

    Regular price $552.68 USD
    Regular price Sale price $552.68 USD
    Unit price /  per 
  • Polycast-DG0657-TDSdrains stainless perforated reinforced Polycast grate

    POLYCAST DG0657H ADA Perforated Stainless Steel 6" x 24" (Nominal) Grate Class B

    POLYCAST DG0657H ADA Perforated Stainless Steel 6" x 24" (Nominal) Grate Class B

    Regular price $146.97 USD
    Regular price Sale price $146.97 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 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 
  • DG0667R Polycast Reinforced Stainless Steel Cover Grate

    POLYCAST DG0667R ADA Compliant Stainless Steel Solid 6" x 48" Cover Class C

    POLYCAST DG0667R ADA Compliant Stainless Steel Solid 6" x 48" Cover Class C

    Regular price $456.27 USD
    Regular price Sale price $456.27 USD
    Unit price /  per 
  • POLYCAST 600 with DG0646R

    POLYCAST® 600 Series Kit with DG0646R Reinforced Perforated Galvanized Grate

    POLYCAST® 600 Series Kit with DG0646R Reinforced Perforated Galvanized Grate

    Regular price From $337.62 USD
    Regular price Sale price From $337.62 USD
    Unit price /  per 
  • DG0647R Reinforced Stainless Steel POLYCAST Slotted Grate

    POLYCAST DG0647R Reinforced Slotted Stainless Steel 6"x48" Grate (Nominal) | Load Class C

    POLYCAST DG0647R Reinforced Slotted Stainless Steel 6"x48" Grate (Nominal) | Load Class C

    Regular price $525.97 USD
    Regular price Sale price $525.97 USD
    Unit price /  per 
  • POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    Regular price From $536.02 USD
    Regular price Sale price From $536.02 USD
    Unit price /  per 
  • POLYCAST 400 w/DG0442

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    Regular price From $265.11 USD
    Regular price Sale price From $265.11 USD
    Unit price /  per 
  • POLYCAST500 with SS Edging and SS Cathedral Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0630 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0630 Cathedral Grate | Class A

    Regular price From $481.59 USD
    Regular price Sale price From $481.59 USD
    Unit price /  per 
  • POLYCAST 600 with DG0670

    POLYCAST 600 Series Kit w/ DG0670 Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0670 Plastic Grate - Load Class A

    Regular price From $205.58 USD
    Regular price Sale price From $205.58 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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