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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
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      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • 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 
  • DP0650-XX-670H Polycast 600 Inline catch basin with HDPE Black slotted grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0670 HDPE Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0670 HDPE Slotted Grate

    Regular price $382.22 USD
    Regular price Sale price $382.22 USD
    Unit price /  per 
  • DP0650-SS-647

    POLYCAST® DP0650 Inline Catch Basin w/DG0647RH Reinforced Slotted Stainless Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0647RH Reinforced Slotted Stainless Grate & Edge

    Regular price $774.42 USD
    Regular price Sale price $774.42 USD
    Unit price /  per 
  • POLYCAST 600 W/ DG0675

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate - Load Class A

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate - Load Class A

    Regular price From $213.22 USD
    Regular price Sale price From $213.22 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 
  • Polycast-DG0442-galv-steel-grate-4ft-TDSdrains

    POLYCAST DG0441 Class A Slotted Galvanized 5" x 24" Grate

    POLYCAST DG0441 Class A Slotted Galvanized 5" x 24" Grate

    Regular price $89.26 USD
    Regular price Sale price $89.26 USD
    Unit price /  per 
  • DG0700AC POLYCAST Cast Iron Frame with End Cap

    DG0700AC POLYCAST HARDNOSE 700 Series Cast Iron Frame w/End Cap

    DG0700AC POLYCAST HARDNOSE 700 Series Cast Iron Frame w/End Cap

    Regular price $75.58 USD
    Regular price Sale price $75.58 USD
    Unit price /  per 
  • DP0650-SS-647

    POLYCAST® DP0650 Inline Catch Basin w/DG0647H Slotted Stainless Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0647H Slotted Stainless Grate & Edge

    Regular price $549.38 USD
    Regular price Sale price $549.38 USD
    Unit price /  per 
  • DP0650-675HD Polycast 600 with Ductile Iron Transverse Slotted Grate and steel edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD Transverse Slotted Ductile Iron Grate & Galv. Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD Transverse Slotted Ductile Iron Grate & Galv. Edge

    Regular price $465.38 USD
    Regular price Sale price $465.38 USD
    Unit price /  per 
  • DP0650-SS-633H Polycast 600 inline catch basin with stainless steel edge and stainless steel square deco grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0633H Stainless Square Deco Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0633H Stainless Square Deco Grate & Edge

    Regular price $527.03 USD
    Regular price Sale price $527.03 USD
    Unit price /  per 
  • 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 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 
  • DP0750-PE-640

    POLYCAST® DP0750 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slot Grate & HDPE Frame

    POLYCAST® DP0750 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slot Grate & HDPE Frame

    Regular price $601.82 USD
    Regular price Sale price $601.82 USD
    Unit price /  per 
  • DP0650-GE-640H Polycast 600 Inline Catch Basin with Galvanized edge and slotted grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slotted Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slotted Grate & Edge

    Regular price $609.43 USD
    Regular price Sale price $609.43 USD
    Unit price /  per 
  • POLYCAST 700 PE FRAME 640R

    POLYCAST®700 Kit w/DG0640R Reinforced Galvanized Slotted Grate & HDPE Frame

    POLYCAST®700 Kit w/DG0640R Reinforced Galvanized Slotted Grate & HDPE Frame

    Regular price From $425.18 USD
    Regular price Sale price From $425.18 USD
    Unit price /  per 
  • TP0650S-DG0641D-CF Catch Basin w/ Ductile Iron Slotted Grate and Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0641D for POLYCAST-Cast Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0641D for POLYCAST-Cast Iron Frame

    Regular price $397.59 USD
    Regular price Sale price $397.59 USD
    Unit price /  per 
  • DP0650-XX-675H Polycast 600 with black HDPE Grate in transverse slotted pattern

    POLYCAST® DP0650 Inline Catch Basin w/DG0675 HDPE Transverse Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0675 HDPE Transverse Slotted Grate

    Regular price $389.87 USD
    Regular price Sale price $389.87 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0647 SS Slotted Grate

    TP0650S (Shallow) Catch Basin Kit w/ DG0647H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0647H for POLYCAST®

    Regular price $391.10 USD
    Regular price Sale price $391.10 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 
  • PolycastAA-Frame-DK cast iron frame

    DG0700AA POLYCAST HARDNOSE 700 Series Cast Iron Frame

    DG0700AA POLYCAST HARDNOSE 700 Series Cast Iron Frame

    Regular price $50.58 USD
    Regular price Sale price $50.58 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 
  • PCK6-DG0622-GE Galvanized Foam Perforated with Edging

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

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

    Regular price From $269.08 USD
    Regular price Sale price From $269.08 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0653SB 24" Catch Basin w/DG0659 Slotted Fiberglass Grate

    POLYCAST® DP0653SB 24" Catch Basin w/DG0659 Slotted Fiberglass Grate

    Regular price $1,460.97 USD
    Regular price Sale price $1,460.97 USD
    Unit price /  per 
  • POLYCAST 600 DP0650 with dg0621H slotted galvanized steel grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0621H Transverse Slot Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0621H Transverse Slot Grate

    Regular price $418.58 USD
    Regular price Sale price $418.58 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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