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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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      • All Channel Materials
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      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • TP0650S Catch Basin with DG0675HD Grate

    TP0650S (Shallow) Catch Basin Kit w/ DG0675HD for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0675HD for POLYCAST®

    Regular price $313.85 USD
    Regular price Sale price $313.85 USD
    Unit price /  per 
  • POLY600-GS-675HD-TDSdrains galv steel edge transverse slotted grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit w/ ADA DG0675HD Transverse Slot Ductile Iron Grate & Galvanized Edging

    POLYCAST 600 Series Kit w/ ADA DG0675HD Transverse Slot Ductile Iron Grate & Galvanized Edging

    Regular price From $248.07 USD
    Regular price Sale price From $248.07 USD
    Unit price /  per 
  • DP0650-XX-675H Polycast 600 with black HDPE Grate in transverse slotted pattern with stainless edge

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

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

    Regular price $462.12 USD
    Regular price Sale price $462.12 USD
    Unit price /  per 
  • POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    Regular price From $640.68 USD
    Regular price Sale price From $640.68 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 - DG0675HD-GE Catch Basin w/ Cast Iron Transverse Slotted Grate and Galvanized Edging

    TV0650S (Shallow) Catch Basin Kit w/ DG0675HD & Galvanized Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0675HD & Galvanized Edge for POLYCAST®

    Regular price $525.69 USD
    Regular price Sale price $525.69 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 
  • 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 
  • POLY600-xx-675D-TDsdrains cast iron transverse ada grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate

    Regular price From $325.14 USD
    Regular price Sale price From $325.14 USD
    Unit price /  per 
  • POLY500-GS-641D Polycast 500 with Galvanized Steel Edge and Polycast DG0641D Slotted Ductile Iron Grates

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

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

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 USD
    Unit price /  per 
  • DA0542H Side

    TDS-POLYCAST DA0542H Hold-Down Device for 500 Series Galvanized Grates

    TDS-POLYCAST DA0542H Hold-Down Device for 500 Series Galvanized Grates

    Regular price $18.30 USD
    Regular price Sale price $18.30 USD
    Unit price /  per 
  • DG0646R Galvanized Grates

    POLYCAST DG0646R Class C ADA Compliant Perforated Reinforced Galvanized 6" x 48" Grate

    POLYCAST DG0646R Class C ADA Compliant Perforated Reinforced Galvanized 6" x 48" Grate

    Regular price $459.03 USD
    Regular price Sale price $459.03 USD
    Unit price /  per 
  • POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate

    Regular price From $292.07 USD
    Regular price Sale price From $292.07 USD
    Unit price /  per 
  • DG0641S Ductile Iron Solid Grate for use with POLYCAST 500 and 600 Series

    DG0641S POLYCAST® Ductile Iron Solid Cover

    DG0641S POLYCAST® Ductile Iron Solid Cover

    Regular price $66.65 USD
    Regular price Sale price $66.65 USD
    Unit price /  per 
  • POLYCAST 500-DG0644SP-PF-HDPE

    POLYCAST 500 Series Kit with FG0644SP Bar 3/8" Spacing Grate and HDPE Frame

    POLYCAST 500 Series Kit with FG0644SP Bar 3/8" Spacing Grate and HDPE Frame

    Regular price From $627.97 USD
    Regular price Sale price From $627.97 USD
    Unit price /  per 
  • Polycast-500-channel-DK low profile polymer concrete channel shallow

    POLYCAST 500 Series Channel

    POLYCAST 500 Series Channel

    Regular price $83.43 USD
    Regular price Sale price $83.43 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 
  • POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    Regular price $73.99 USD
    Regular price Sale price $73.99 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 
  • Polycast 600 with DG0647R Reinforced Slotted grates with Stainless Steel Edges

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    Regular price From $567.82 USD
    Regular price Sale price From $567.82 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and HDPE Frame

    Regular price From $1,452.88 USD
    Regular price Sale price From $1,452.88 USD
    Unit price /  per 
  • DG04640R

    POLYCAST DG0640R Class C Slotted Reinforced Galvanized Steel 6" x 48" Grate

    POLYCAST DG0640R Class C Slotted Reinforced Galvanized Steel 6" x 48" Grate

    Regular price $291.55 USD
    Regular price Sale price $291.55 USD
    Unit price /  per 
  • POLY700-AA-640R

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    Regular price From $762.27 USD
    Regular price Sale price From $762.27 USD
    Unit price /  per 
  • DP0650-XX-670H Polycast 600 Inline catch basin with HDPE Black slotted grate and stainless steel edges

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

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

    Regular price $454.47 USD
    Regular price Sale price $454.47 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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